Cryopump
n. 低温泵\\n[化] 低温泵; 深冷泵
🗣️ 情景例句
It's not good to eat before going to bed.
在上床前吃太多不好。
It's very nice of you to come and see me off.
您来给我送行，真是太客气了。
The World Trade Center, an office building for over 1200 firms employing about 50,000 people, is even higher at 411 metres.
世界贸易中心要高得多，有411米。它是一座办公大楼，楼里有1，200多家公司，大约有5万雇员。