locking
/lɑːk/
动词
妥善保管，妥善保藏
Don't forget to lock the door when you go out.
出去时别忘了锁门。
锁定，锁住
I tried to start moving but the wheels had locked.
我想向前移动一下，但车轮被锁住了。
/lɑːk/
名词
锁，门锁
safety locks
安全锁
水闸，船闸
一定会发生的事件
She's a lock for promotion this year.
她今年肯定会晋升的。