单词:reagent chemicals
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Sucre搬回牢房以后成为Michael越狱的帮手。一天晚上,Sucre为Michael放哨,Michael则准备把牢房的墙壁凿穿。 [00:07.30]Listen and Share [00:41.76]Sucre [00:44.16]Michael [00:47.34]Sucre [00:48.20]Michael [00:55.63]You're clear. [01:13.15]If the chemicals c
2. Studies of both animals and humans have shown that sex hormones somehow affect the stress response, causing females under stress to produce more of the trigger chemicals than do males under the same conditions. 【分析】多重复合句。主句主
2. agri 你已认识field是“田地”, 你是否也知agri的意义? 在有关农田的词汇里, field竟都被agri所代替。 agri=field 田地,农田(agri也作agro,agr) 1. agrology agr
Robot Can Help With Farm Work 可以帮助农民干活的机器人 In the American state of Idaho, a robot moves between lines of fruit trees and grapevines. It is doing farm work. Called IdaBot, this robot is a prototype, or model. An engineering te
Language Points 1. Do what you like because no one would really care that much (去做自己想做的事情,因为真的没有那么多人去在乎) 2. Travel as often as possible because the world is too big for you to stay in your comfort zon
1.至于我,在某种程度上我同意后面的观点,我认为 As far as I am concerned, I agree with the latter opinion to some extent.I think that ____. 2.总而言之,整个社会应该密切关注这个问题。只有这样,我们才能在
Somewhere right now, people are lining up to scare themselves, maybe with a thrill ride or horror movie. 此时此刻,世界上的某个地方,人们正排着队的体验恐惧或许是刺激的游乐设施,或许是恐怖电影。 In fact, in
Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗? Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上,但它的清洁能源形象却受到质疑 M
HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: Scientists studying climate change in Antarctica reported this week that the hole in the protected ozone layer of the earth's atmosphere has shrunk. The discovery of the hole in the mid-1980s led to a wo
好吧 Well... -那我该给克瑞普克下毒 -不 - I suppose I could poison Kripke. - No! 不 这其实很简单 No. It's a simple matter. 有那么几种有毒化学物 There are several toxic chemicals 尸检是查不出来的 that'd be untracea
62 利用现代科技手段控制蝗虫 DATE=6-26-01 TITLE=AGRICULTURE REPORT - Controlling Locusts with Technology BYLINE=George Grow (Start at 59
AGRICULTURE REPORT – July 30, 2002: Chemicals on Organic Food By George Grow (Photo -Scott Bauer) This is the VOA Special English AGRICULTURE REPORT. Farmers who grow organic food do not use chemica
Puppies are cuddly bundles of energy and cuteness who also need special care as they start to explore the world. Here, the American Veterinary Medical Association offers caregiving tips for puppies: 小狗们也会花精力去可爱地讨好你,它们
高温天气下树木竟然会污染环境! Normally, trees are the best defence against pollution; but when it's too hot outside, the trees' own self-defence mechanism may actually make things worse。 正常情况下,树木是抵御污染
By Lisa Schlein Geneva 14 May 2008 Scientists say new evidence links certain chemicals to the development of obesity. About 2,500 international experts are attending the 16th European Congress on Obesity in Geneva. Lisa Schlein reports for VOA the pa
Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康
英语四级写作方法与技巧:结尾 结尾句 1. 至于我,在某种程度上我同意后面的观点,我认为 As far as I am concerned, I agree with the latter opinion to some extent. I think that ____. 2. 总而言之,整个社会应该
今天我们要学的词是 chemicals. Chemicals 化学物质。A group of scientists voiced new health concerns about a common class of chemicals used in thousands of products, including electronics, footwear, and sleeping bags. 科学家对一类常见
雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实