Compound system
[化] 复合系统
🧩 词语组成解析
🗣️ 情景例句
Where do you work?
你在哪儿工作？
March comes in like a lion and goes out like a lamb.
三月来如雄狮，去如绵羊。
and should not be put in drinks unless it is known to be safe.
只有知道冰块安全时才能加入饮料。