Protagon
[化] 初磷脂; 脑组织素\\n[医] 初磷脂(得自脑组织)
🗣️ 情景例句
How many classes are you taking this semester?
这学期你有多少课？
Do you like traveling?
你喜欢旅游吗？
I examined one of the pens closely.
我仔细察看了一枝钢笔，