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
you have a meeting with the production staff
要与生产部门人员开会，
Her socks is under the night stand.
她的短袜在床头柜下面。
I suddenly felt very worried, but could not say anything.
我突然非常着急起来，但却什么也说不出来。