Coexponent
余指数
🗣️ 情景例句
That's all right.
没关系。
My brother wants to learn how to sail a boat.
我的兄弟要去学操纵帆船。
Insects would make it impossible for us to live in the world;
要不是人类受一些食虫动物的保护，昆虫就会使我们无法在地球上生活下去，