Mechanical lock
[电] 机械锁
🧩 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
Would you please account for these problems?
请你谈谈这些问题，好吗？
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
We give a 2% discount for cash.
付现的话折扣2%。