Substitute teacher
n. 代课教师
🧩 词语组成解析
substitute
['sʌbstɪtut]
vt.& vi. 代替，替换，代用;
n. 代替者;替补（运动员）;替代物;[语法学]代用词;
vi. 用…替代;
sub在下面，副手，次一等+stitute放置→在下面放着→替代人员；代替
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
I'm afraid I have some rather bad news for you.
我恐怕有些很坏的消息要告诉你。
There's a talk on cancer that might be quite interesting, so perhaps I'll go to that.
有个关于癌症的报告可能很有意思，也许我会听听。