Compacted density of catalyst
[建] 催化剂在紧密态下的密度
🧩 词语组成解析
a. 压紧的, 紧紧连在一起的, 压实的
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
Goodbye, thank you very much for coming.
再见，感谢您能光临。
He who would search for pearls must dive below(or deep).
欲寻珍珠，须潜水下。
Here's my name card.
这是我的名片。