Vacuum lock
[化] 真空锁
🧩 词语组成解析
lock
[lɔk]
n. 锁;水闸，船闸;（机器部件等的）锁定;一把，一撮;
vt. 锁上;锁好，关好;使固定;隐藏;
vi. 卡住，不动;纠结;僵硬不动;
🗣️ 情景例句
We usually ship the goods by regular liners.
我们一般是定期班轮装运货物。
To fly up and away
往上飞走
Often the little words have meanings of their own.
这些小词常常都有自己本身的意思。