Steride
甾族化合物
🗣️ 情景例句
How do you like it, Daddy?
你觉得怎样 ，爸爸？
The doctor said I looked pale and tired.
医生说我看起来苍白和疲倦。
We're packing our suitcases.We're going to leave tomorrow.
我们正在收拾手提箱。明天我们就要走了。