眾所周知，詞匯是GRE考試的基礎(chǔ)。那么怎樣才能掌握GRE必備的詞組呢？
這里為大家總結(jié)一些常用的核心詞組，希望對各位備考有幫助。

本期GRE必備詞組:
in the presence of 在……面前

??釋義:

You use in the presence of when that thing is present.

?例句

Crying in the presence of a single other person is more helpful than crying alone to ease emotion.

?GRE

A low number of algal cells in the presence of a high number of grazers suggested, but did not prove, that the grazers had removed most of the algae.
在擁有大量食草類動物的環(huán)境中藻類細胞的數(shù)量很低，這表明這樣一種可能——但不能證明：食草類動物消滅了大部分的藻類。