Soundchecking
(soundcheck 的现在分词) （对录音或音响设备的）校音
🗣️ 情景例句
Who's in charge here?
这儿谁负责？
All are not friends that speak us fair.
向我们说好话的并不都是好朋友。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。