Microcryostat
微冰冻箱
🗣️ 情景例句
we won't be there
我们将无法
He has graciously consented to speak to us on that subject tonight.
他同意今晚他将就这一专题演讲。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。