infinitesimal

adj.极微小的;微不足道的

音标:/ˌɪnfɪnɪ'tesɪm(ə)l/

英英释义:

Something that is infinitesimal is extremely small.

例句:

①Mineral substances present in infinitesimal amounts in the soil.

土壤含有的极微量的矿物质。

②There was an infinitesimal pause.

其中有一个极短暂的停顿。

《科学美国人》一篇题为 In every bit of nothing, there is something 也出现了这个表达:

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pitch in

参与;协力

英英释义:

If you pitch in, you join in and help with an activity.

例句:

①The agency says international relief agencies also have pitched in.

该机构说国际救援机构也提供了支援。

②Cartoonists have pitched in with their favourites from their own and other hands.

漫画家拿出了他们最喜爱的出自自己和他人之手的作品。

③The entire company pitched in to help.

公司上下都协力相助。


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Last modification:June 3rd, 2021 at 12:42 am
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