stratum什么意思？

An aquifer is a water - bearing rock stratum such as sandstone and chalk.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩....the corruption that pervades every stratum of the country...渗透到社会各阶层的腐败An aquifer is a water-bearing rock stratum such as...

stratum的音标：stratum的英式发音音标为：['strɑ:təm]stratum的美式发音音标为：['streɪtəm]...

An aquifer is a water - bearing rock stratum such as sandstone and chalk.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩.The coal is a coal resource that reserves in old stratum.石煤是贮藏在古老地层中的一种煤炭资源.A portion of bedrock or other stratum protruding...

stratum的复数形式为：strata...

vt.使丧失人类情感，使变残忍，残酷对待vi.变残忍，变粗暴...

demit的音标：demit的英式发音音标为：[dɪ'mɪt]demit的美式发音音标为：[dɪ'mɪt]...

harass的音标：harass的英式发音音标为：['hærəs]harass的美式发音音标为：['hærəs, hə'ræs]...

Susi Arnott is a biologist.苏茜·阿诺特是一位生物学家。She's a research biologist for a pharmaceutical company.她是一家制药公司的研究生物学家.An important set of ideas have been advanced by the biologist Rupert Sheldrake.生物学家鲁珀特·谢尔德雷克已提出了一整套重要的...

许多的，一些...

“架空”的反义词：实在。...

clanger的复数形式为：clangers...

If these drugs are stopped abruptly then some withdrawal symptoms may occur.如果突然停服这些药，则可能出现一些戒断症状。They stopped at a little cafe and had a fondue.他们在一家小餐馆歇脚，吃了顿干酪火锅。She stopped drinking but began obsessing about her weigh...

acetolase的音标：acetolase的英式发音音标为：[e'setɒleɪs]acetolase的美式发音音标为：[e'setɒleɪs]...

Cleopatra的音标：...

病毒在它的等电离点以上时带负电荷.A virus is nigatively charged above its isoelectric point.本文作者与克尔马克尔正在同时试验巨型电离室.The author , in parallel with Krcmar , is experimenting with giant ionization chambers.所有的原子和分子系统都受光致电离和光致离解的影响.All the ato...

on the quiet的音标：on the quiet的英式发音音标为：[ɔn ðə 'kwaiət]on the quiet的美式发音音标为：[ɑn ði 'kwaɪɪt]...

To assume an exaggerated or unnatural pose or mental attitude; attitudinize.认为事情 可信 并应该接受为正确的精神态度....

feedback的音标：feedback的英式发音音标为：['fi:dbæk]feedback的美式发音音标为：['fidˌbæk]...

They go out in all weathers.无论天气好坏他们都会外出。She goes out in all weathers.她无论什么天气都出去.From that time, in all weathers, she waited there two hours.从此以后, 不论什么天气, 她总要到那儿去等两个钟头....