Soundchecking
(soundcheck 的现在分词) （对录音或音响设备的）校音
🗣️ 情景例句
What works?
什么有效！
I pick up my sister from her school.
我到学校接妹妹。
Excuse me, please. Where's the nearest men's room?
劳驾，离这儿最近的男厕所在哪儿？