Spirostomid
旋口纤毛虫
🗣️ 情景例句
Welcome aboard!
欢迎加入我们的行列！
That means the child is already one year older.
那意 味着孩子又长大了一岁。
Great! Could you bring it to school tomorrow?
好极了！你明天能把它带到学校来吗？