Initiating agent
[化] 引发剂
🧩 词语组成解析
v. 开始（initiate的ing形式）
🗣️ 情景例句
How were your scores in university?
你大学时的成绩如何？
I have been working too hard; it's time I relaxed.
我太疲劳了，该在这里休息一下。
The planes had been planting seed for nearly a month when it began to rain.
飞机撒播近一个月后，开始下起雨来。