Diameter of particle
[医] 微粒直径颗粒直径
🧩 词语组成解析
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];
🗣️ 情景例句
That leaves a lot to be desired.
太不让人满意了。
The postman always comes at 2 o'clock.
邮递员总是在2点钟来。
Good morning, class.
同学们，早上好。