Checkhead
(方形穴播装置)尺度索扣拨[过结]器
🗣️ 情景例句
When does he arrive?
他什么时候到？
I'll know when the time comes.
到时候就知道了。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。