Prefocus
vt.使预先聚焦, 预先调节…的焦距
🗣️ 情景例句
He has a large family to feed.
他要养活一个大家庭。
The bird that can sing and won't sing must be made to sing.
生来能唱的鸟，不愿唱也得叫它唱。
Is it expensive to hire a car?
租车贵不贵？