Occasioner
誘使者
? 同義詞
??? 情景例句
I've only been waiting for an hour.
我已經等了一個小時了。
If he doesn't, will you eat some?
如果他不，你會吃一些嗎？
I am used to traveling by air and only on one occasion have I ever felt frightened.
我習慣了乘飛機旅行，只是有一次把我嚇壞了。