Trid.
[医] 三天
🗣️ 情景例句
I do, too.
我也一样。
Do we have to wear the helmets?
我们得戴上防护帽吗？
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。