Catenulida
链涡虫目
🗣️ 情景例句
There's always a friend around when you need one.
当你需要朋友帮忙的时候，总会有朋友在你身边的。
I'm afraid you will fail.
我怕你会失败。
But we don't fight very often. We love each other and we are both very happy that we are twins.
但是我们并不经常争吵。我们互相爱护，我们都非常庆幸是孪生。