Prefocus
vt.使预先聚焦, 预先调节…的焦距
🗣️ 情景例句
Donald passed away a couple of years ago.
Donald几年前去世了。
That depends.
那要看情形了。
When there is no one in the office, you can leave the answering machine on so that people who call you up can leave a message.
当无人在办公室时，你可以打开留言机，这样打电话给你的人就可以留言了。