Channel stection
[机] U形剖面
🧩 词语组成解析
🗣️ 情景例句
You look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
He who wants a mule without fault,must walk on foot.
指望驴子无缺点，只有自己徒步行。
In another game, as the turtle swims across the oceanarium, the first porpoise swoops down from above and butts his shell with his belly.
在另一场游戏中，当海龟游过水族馆时，第一只海豚从上方猛扑下去，用腹部撞击龟壳。