Microcryostat
微冰冻箱
🗣️ 情景例句
Good morning, Mr. Smith. I brought the contract you are been looking for.
上午好，斯密司先生。我带来了你要等待的合同。
What platform does the train leave from?
这班车从哪个站台开出呢？
I'm very proud of you.
我为你感到自豪。