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
I'm glad Mr. Marchetta was so helpful.
我真高兴 ，Marchetta先生如此帮忙。
I'll probably go out for lunch at about 12:30.
我将可能在大约12:30去外面吃午餐。
Don't let me down.
别让我失望。