Classes of pesticide toxicity
[化] 农药毒性等级
🧩 词语组成解析
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 杀虫剂,农药;
pest害虫+i+cid杀+e...的物→杀虫剂
🗣️ 情景例句
May I speak with Mr. Chen, please?
可以请陈先生听电话吗?
What is she doing now?
她现在干些什么呢?
We chose a big one. It is almost as tall as the room.
我们选了一棵大的。它几乎和房间一样高。
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