Sciadopitysin
紫杉双黄酮
🗣️ 情景例句
Is there any more plain paper?
还有没有更多的白纸？
That makes ten dollars, right?
这加起来是十美元，对吗？
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。