Pretuning
预先调谐
🗣️ 情景例句
This job is no picnic.
这份工作很累人。
Accidents will happen in the best regulated families.
即使家规严，丑事总难免。
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。