Phorphyrosiphon
紫管藻属
🗣️ 情景例句
May I see you in my office?
你可以到我的办公室来一下么？
My Biochem lectures are in the morning, and the labs are in the afternoon.
生物化学的课安排在上午，实验在下午。
Here's my signature.
我签好了。