Serogan
[化] 血清促性腺激素
🗣️ 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
My secretary can start on it right away.
我的秘书现在就要可以打。