Pterobranchia
翼鳃类, 羽鳃类
🗣️ 情景例句
Every cloud has a silver lining.
再黑暗的地方也有一线光明。
When two ride on one horse, one must sit behind.
两人共骑一匹马，总有一个背后跨。
A gifted American psychologist has said,'Worry is a spasm of the emotion;
烦恼是感情的发作，