🧩 词语组成解析
had
[[hæd]]
have的过去式和过去分词
🗣️ 情景例句
Susan, I understand you're in the toy business. Susan
听说 ，是在玩具业工作。
Is that right?
那样对吗？
It is as if a single unimportant event set up a chain of reactions.
好像是一件无关紧要的小事引起了一连串的连锁反应。