[化] ┰木苷; ┰木甙; ┰木素; ┰木酸甲酯
[医] 科尔宁, 美山茱萸素
n. A bitter principle obtained from dogwood (Cornus florida),
as a white crystalline substance; -- called also cornic acid.
n. An extract from dogwood used as a febrifuge.

Brian sat down for dinner. He sat down in the chair. He sat down at the table. He looked at his white plate. He looked at his silver fork. He looked at his silver spoon. His dad said, Pass me your plate, Brian. His dad put white rice on the plate. Hi

发表于:2018-12-04 / 阅读(196) / 评论(0) 分类 英语第1级听力-English Level 1

The Alden children slept until almost nine oclock the next morning. When they got up, the house was quiet. I wonder where Grandfather and Ken are, Benny said. Maybe theyre downstairs, Henry said. So the children headed downstairs. They heard a voice

发表于:2018-12-06 / 阅读(267) / 评论(0) 分类 101 The Clue in the Corn Maze

[ti:] [ar:] [al:] [by:] [00:00.43] Growing Good Corn 如何种好玉米 [00:06.55]There was a Nebraska farmer who grew award-winning corn. [00:12.13]Each year he entered his corn in the state fair where it won a blue ribbon. [00:18.25]One year a news

发表于:2018-12-26 / 阅读(293) / 评论(0) 分类 温馨夜读

After the Aldens unpacked, Ken showed them around the farm. He led them past chickens, goats, horses, even a llama. The llama was white with tan spots. He had a long, graceful neck, thin legs, and curious brown eyes. Ken went over and stroked the lla

发表于:2018-12-31 / 阅读(295) / 评论(0) 分类 101 The Clue in the Corn Maze

Isnt it amazing? ten-year-old Violet Alden said as she gazed out the back seat window of the Aldens rented van. No matter where you look, all you see is corn, corn and more corn. I like corn-on-the-cob, said Benny, Violets six-year-old brother. Iowa

发表于:2018-12-31 / 阅读(344) / 评论(0) 分类 101 The Clue in the Corn Maze

歌词如下: Jimmy crack corn and I don't care, Jimmy crack corn and I don't care, Jimmy crack corn and I don't care, My master's gone away.

发表于:2018-12-31 / 阅读(299) / 评论(0) 分类 英语儿歌274首

歌词如下: Jimmy crack corn and I don't care, Jimmy crack corn and I don't care, Jimmy crack corn and I don't care, My master's gone away.

发表于:2018-12-31 / 阅读(282) / 评论(0) 分类 英语儿歌274首

The farmer drives a tractor. The tractor digs up the ground. He plants yellow corn in the ground. He plants the yellow corn in the spring. The corn grows in the summer. The rain helps the corn grow. If there is no rain, the corn dies. If there is a l

发表于:2019-01-02 / 阅读(198) / 评论(0) 分类 原版英语小短文

The farmer drives a tractor. The tractor digs up the ground. He plants yellow corn in the ground. He plants the yellow corn in the spring. The corn grows in the summer. The rain helps the corn grow. If there is no rain, the corn dies. If there is a l

发表于:2019-01-04 / 阅读(236) / 评论(0) 分类 简单慢速英语阅读

Close to home, another natural disaster is having a major impact on parts of the Midwest, it's one of the worst droughts in decades, thousands of Illinois farmers may lose as much as a third of their crops. And the federal government is expected to d

发表于:2019-01-08 / 阅读(344) / 评论(0) 分类 2005年NPR美国国家公共电台

By Kurt Achin Seoul 04 June 2008 South Korea says it is willing to send tens of thousands of tons of immediate food aid to impoverished North Korea. The aid would fulfill a deal made during the previous South Korean administration, but may not ease

发表于:2019-01-09 / 阅读(239) / 评论(0) 分类 VOA标准英语2008年(六月)

Brian sat down for dinner. He sat down in the chair. He sat down at the table. He looked at his white plate. He looked at his silver fork. He looked at his silver spoon. His dad said, Pass me your plate, Brian. His dad put white rice on the plate. Hi

发表于:2019-01-09 / 阅读(385) / 评论(0) 分类 超级简单英语阅读

AMERICAN MOSAIC - Corn Maze Craze; Skydive and SpaceX; Songs From Above Welcome to AMERICAN MOSAIC in VOA Special English. Im June Simms. On our show this week, we tell about sky divers and space flight. We also play some sky and space songs. But fir

发表于:2019-01-12 / 阅读(296) / 评论(0) 分类 2012年VOA慢速英语(十)月

By Greg Flakus Houston 16 October 2007 In recent months food costs in the United States have gone up by well over six percent and some economists see government-mandated use of bio-fuels as a key reason. But, as VOA's Greg Flakus reports from Houston

发表于:2019-01-25 / 阅读(278) / 评论(0) 分类 2007年VOA常速英语(十月)

AGRICULTURE REPORT -July 9, 2002: Popcorn By George Grow This is the VOA Special English AGRICULTURE REPORT. Americans love popcorn. They eat it at home, at sports events, and in movie theaters. Popco

发表于:2019-01-30 / 阅读(272) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT — December 10, 2002: Corn, Part 3 By Mario Ritter This is the VOA Special English Agriculture Report. Last week, we told about the many uses for corn. It is America’s most succe

发表于:2019-01-30 / 阅读(353) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT — December 3, 2002: Corn, Part 2 By Mario Ritter This is the VOA Special English Agriculture Report. Last week, we told about the use of corn to feed cows in the cattle industry.

发表于:2019-01-30 / 阅读(373) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT — November 26, 2002: Corn, Part 1 By Mario Ritter This is the VOA Special English Agriculture Report. Corn is an important crop in many parts of the world. However, some people ar

发表于:2019-01-30 / 阅读(302) / 评论(0) 分类 农业与发展

New Corn Variety Boosts Food Security Across Africa In times of drought, parched lands yield few, if any, crops, increasing hunger among communities. As one way of boosting food security during these difficult times, scientists in Kenya and across Af

发表于:2019-02-12 / 阅读(290) / 评论(0) 分类 VOA标准英语2011年(十月)

Beginners. A few days ago, we had a yard sale. I actually held it over two mornings, out of my garage. Yard sales are very common in this area, and very popular too. Do you know what they are? I suppose the name explains the meaning; a sale of househ

发表于:2019-02-17 / 阅读(263) / 评论(0) 分类 英语博客 A cup of English
学英语单词
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aerobic bacterial
airborne magnetometer
anisotropic property
back-court
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