Classes of pesticide toxicity
[化] 农药毒性等级
🧩 词语组成解析
n. 级别, 阶级（class复数形式）
of
[əv]
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];
toxicity
[[tɔk'sisiti]]
n. 毒性\\n[医] 毒力, 毒性
🗣️ 情景例句
He always performs his tasks perfectly.
他总是圆满地完成工作。
Theings present are judged by things past.
欲断今日事，须知往日情。
Perfume is not exempt from import duty.'
香水要上进口税的。”