音标：['streitәm] ；柯林斯词典等级：1 级；

n. 层, 地层, 阶层
[医] 层

n. one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)

词型变化：名词复数形式 : strata
考试类型：[托福/GRE]

词性分布：

名词100%

stratum的用法和样例：

例句

用作名词(n.)

They represent each society stratum.他们代表各个社会阶层。
Such inequalities are found in every stratum.这类不公平的现象存在于社会的每一个阶层。

词汇搭配

aqueous stratum蓄水层
inverted stratum层倒转
confining stratum不透水层,隔水层...
interbedded stratum夹层
surface stratum表层
impervious stratum不渗透地层
field stratum地面植被层
watertight stratum土壤不透水层...
permeable stratum透水层,透水岩层...
stratum Malpighii马耳皮基(氏)层, ...
privileged stratum特殊阶层
subsurface stratum亚表层
underlying stratum下伏岩层

经典引文

An archaeologist finds a stratum of earth and stones and mortar, mixed with potsherds and coins.
出自：R. G. Collingwood

【近义词】

layer层
vein静脉
bed床
level数量
band乐队
division划分
branch分部
section部分
echelon职权的等级
social class社会地位
class等级

英语背诵80篇 21

Autumn Sunset 秋天的落日 We had a remarkable sunset one day last November. I was walking in a meadow, the source of a small brook, when the sun at last, just before setting, after a cold gray day, reached a clear stratum in the horizon, and the

发表于:2019-01-02 / 阅读(85) / 评论(0)

英语背诵80篇

藤村新一 01

[00:20.21]Shinichi Fujimura [00:24.66]藤村新一 [00:36.96]词汇扫描 [00:40.68]archaeologist 考古学家 [00:45.77]fake 伪造 [00:50.28]archaeology 考古学 [00:54.95]reputation 名声 [00:59.65]stratum 地层 [01:04.99]Shinichi Fujimura [01:06.66]was a Japanese

发表于:2019-01-02 / 阅读(194) / 评论(0)

各色各样的人

Wild Europe - Genesis 肇始之初- 12

...Africa. The African plate has been drifting north over millions of years. And when it pushes against the European plate, huge fold s of rock have been forced up and over one another into great moun

发表于:2019-01-02 / 阅读(186) / 评论(0)

欧洲自然写真

专业术语—常见皮肤病英语(7)

radiodermatitis 射线皮炎 relapsing secondary syphilis 二期复发梅毒 renal purpura 肾型紫癜 scabies 疥疮 scale 鳞屑 scar 疤痕 scarlatiniform erythema 猩红热样红斑 scleroderma 硬

发表于:2019-01-03 / 阅读(119) / 评论(0)

医务英语

胡敏读故事记单词托福词汇210

210. The stocky stonemason肥胖的石匠 sting-string The government passed a stipulation that stocky stonemasons would no longer be receiving their stipends. The edict stipulated that in six months, if they had not made great strides in losing weig

发表于:2019-01-08 / 阅读(78) / 评论(0)

胡敏托福词汇记单词

电信类英语词汇表大全-2

中文英文缩写 * （符） star (symbol) [美国]电气和电子工程师学会 Institute for Electrical and Electronic Engineers IEEE “请发码”信号

发表于:2019-01-08 / 阅读(190) / 评论(0)

电信英语

科学家宣布地质纪元进入“人类世”

The 11,700-year-old Holocene epoch is over. We're now living in the Anthropocene epoch. 长达11700年的全新世结束啦。我们如今正生活在人类世纪元。编者注：全新世（Holocene Epoch），是最年轻的地质年代，它与更

发表于:2019-01-08 / 阅读(98) / 评论(0)

实用英语

TED演讲:探索世界最深洞穴(3)

We're going to be shooting from minus 2,600 meters that's a little over 8,600 feet down at 30 kilometers from the entrance. 我们要从地下2600米处,大约8600多英尺之下--开始拍摄。那个地方离洞口30千米处。 The lead crews will

发表于:2019-01-18 / 阅读(105) / 评论(0)

TED演讲商业篇

英语角-圆桌会议 RoundTable0421 - 网友评十大最坑爹专业

Topic 1: Mass Affluent ClassAccording to Forbes China, by the end of 2014 ?China will have 14 million individuals identified as members of the mass affluent ?stratum, with investable assets worth from 600,000 to 6 million yuan. Who are these people a

发表于:2019-01-21 / 阅读(128) / 评论(0)

英语角-圆桌会议

西单女孩身价过亿自主创业卖牙膏

Ren Yueli was once a street singer in an underground passage in Xidan, in downtown Beijing. Her interpretation of the song Angel's Wings went viral online in 2009. Netizens named her the Xidan girl. 任月丽曾经是北京西单地下通道的街头歌

发表于:2019-02-06 / 阅读(89) / 评论(0)

英语新闻

科学家宣布地质纪元进入人类世

These are called love tents but they're not what you think. 虽被称为爱的帐篷，但是它们可与你所想不同。 Chinese colleges have come up with an unusual way to help freshmen settle in. 中国的大学别出心裁，以一种特殊的方

发表于:2019-02-06 / 阅读(118) / 评论(0)

英语新闻

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

ammonium phthalamate

amount of personalized relationship

Ancrack

andolast

anterior occipital fissure

antisag bar

apartus

Ariadne

authorized securities

autodock

bellwood