Gf
[化] 凝胶过滤法; 凝胶过滤色谱法; 生长因子
🗣️ 情景例句
They don't have room service at Old Country Inn. Old Country Inn
没有房间服务部。
Rome was not built in a (or one) day.
罗马不是一日建成的。
She said hers has broken.
她说她的坏了。