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
I can take the bus to work ...
我可以坐公共汽车上班……
In secondary school, children study mathmatic、phsicas and chemistry.
中学的小孩会读到数学、物理和化学。
Of course, the Hubble is above the earth's atmosphere, so it will soon be sending us the clearest pictures of the stars and distant galaxies that we have ever seen.