Sphingophosphatide
神经磷脂
🗣️ 情景例句
with two or three other college friends.
邀两到三个其他的大学朋友一起。
Hello. Can I see Mr. Green?
你好，我能见格林先生吗？
The bridge has been washed away by the floods.
桥已经被洪水冲走了。