Cataloid
胶体二氧化硅
🗣️ 情景例句
The soundtrack from Lord of the Rings has truned into a big hit.
《指环王》的原声唱片卖得满堂红。
It's time for dinner.
该吃晚饭了。
It usually comes in February or March. Summer is often very hot.
通常在2月或3月开始。夏天很热。