Keyless
a. 无键的, 不用钥匙上发条的
🗣️ 情景例句
I don't know why I didn't think of it.
我不知道为什么我没有想到这一点。
He was at a loss for words.
他不知道该说什么好。
Come straight along here, please.
请直接沿这里走过来。