Etymologic
a. 词源的, 词源学的
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
'I'm hanging this picture on the wall,' I answered.
我正将图片挂到墙上去呢，我回答