Gpc
[化] 凝胶渗透色谱法
🗣️ 情景例句
They are constantly quarreling.
他们时常吵架。
Where is gate six?
6号登机门在哪儿？
Grandma is ill, she said. I must take her to hospital.
“奶奶病了，”她说，“我必须送她去医院。