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
No, no.
不 不。
Counsel after action is like rain after harvest.
放马后炮。
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了，他的妻子走了进来。