重点词汇词组：

1. In a speech to the UN General Assembly, Mr. Johnson called for all countries to commit to substantial reductions in carbon emissions by 2030.

call for 要求；需要；提倡；邀请

例：They have called for an end to violence.

他们呼吁停止暴力。

【相关表达】call out 唤起；出动；大声叫唤

call on 访问，拜访；号召，请求

call sb names 骂某人

call collect 对方付费的电话

commit to 交付，把…投入；把…置于

例：We have to commit to saving them.

我们必须承诺去拯救他们。

【相关表达】commit yourself 表态

commit sth to memory 牢记某事，把某事记住

commit sth to paper 把某事记录下来

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