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. I'm sorry, but we can't send out our tow truck to get you.
不能，真对不起，我们不能派拖车来。
Following the dinner will be addresed by the candidate.
晚饭后将由候选人作演讲。
No, I'm sure it's not.
是的，我确信不如。