Gf
[化] 凝胶过滤法; 凝胶过滤色谱法; 生长因子
🗣️ 情景例句
We haven't had any complaint of this kind. Is there any evidence.
我们还从未听过这样的抱怨。有什么证据呢？
True coral needs no painter's brush.
真珊瑚无需刷油漆。
Now the other stuents open their eyes, and guess who has the eraser.
现在其余的学生张开眼，然后猜谁手里有橡皮擦。