a knock at the door
英
美
敲门声
a knock at the door的用法和样例:
例句
They were interrupted by a knock at the door.
他们被敲门声打断了。
There was an insistent knock on my door.
我听到一阵急促的敲门声。
a knock at the door的相关资料:
临近单词
a
a tissue of
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