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
Please check to be sure you have your belongings.
请记得带您的行李。
He came at a bad time.
他来的不是时候。
Excuse me. Which is the way to East Park, please?
请问，去东方公园走哪条路？