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
Good afternoon. Make yourself at home.
下午好。请随便些。
Let every man speak well of the bridge theat carries him over.
饮水思源。
A young English writer made the pertinent observation a year or two back
一两年前，一位年轻的英国作家发表了中肯的看法。