Liquid nitrogen cold trap
[化] 液氮冷阱
🧩 词语组成解析
cold
[kold]
adj. 寒冷的;冷淡的，无情的;失去知觉的;[艺]有冷感的，冷色的;
n. 寒冷;感冒，伤风;
adv. 完全地;
trap
[træp]
vt. 诱骗;使受限制;困住;使（水与气体等）分离;
n. 圈套;（对付人的）计谋;（练习射击用的）抛靶器;（捕捉动物的）夹子;
vi. 设陷阱;装捕捉机;设圈套;
🗣️ 情景例句
Ooh, speaking of keeping busy-I have an early start tomorrow,and the baby-sitter has to get home.
哦， 说到忙于工作，我明天还得早起，而且临时保姆也该回家了。
I went there on business.
我出差到那儿。
Then he put his hand into pocket, and took out a phrasebook.
然后他把手伸进了衣袋，掏出了一本常用语手册。