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
Television is the most powerful tool of persuasion that man has ever created.
电视是人类所创造的最有威力的游说工具。
Has anybody else anything to say on this?
关于这点，谁还有什么别的要说吗？
Nobody! She taught herself.
没有人（教）！她是自学的。