Euglenophyceae
裸藻纲
🗣️ 情景例句
Please, after you.
你先请。
I'm afraid I won't be able to come.
我恐怕不能来。
Yes, that's a good idea. But I have another difficulty. My written English isn't very good either.
是的，这主意不错。但我还有另外一个难题。我的书面英语也不好。