| 释义 |
DEFINITIVE EXAMPLES 权威例句〔HEAR〕Suddenly we heard a knock at the door. 突然,我们听到有敲门声。朗文写作活用〔knock〕There was a knock at the door.有敲门声。外研社新世纪〔knock〕There was a knock at/on the door.有敲门声。剑桥高阶〔knock〕There was a knock on/at the door.有敲门声。牛津高阶〔lock out〕There had been a knock at the door and when she opened it she locked herself out.外面有敲门声,她去开门,结果把自己反锁在了外面。柯林斯高阶 |