Sepharose
琼脂糖(凝胶)
🗣️ 情景例句
Mainly for the sports meet and also for sightseeing, I think.
主要是来参加运动会，我想也是为观光而来。
I'm going to be late.
我要迟到了。
Is it cold or warm in autumn?
秋季的天气是冷还是暖呢？