Euglenophyceae
裸藻纲
🗣️ 情景例句
Yes, there is.
有，有心事
Those that make the best use of their time have none to spare.
能充分利用时间的人不会有时间多馀。
Oh, good evening. May I speak to Ann, please?
噢，晚上好！我想跟安讲话，行吗？