英语说话力 72. essential to / for ... ……必不可少

72. essential to / for ... ……必不可少

Vocabulary is essential to language.

词汇对语言学习必不可少。

Law is essential for maintaining social stability.

法律对维护社会稳定必不可少。

Air is essential to human beings.

空气对人类来说必不可少。

常用英语口语