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
Why do you want to quit your present company?
那你为什么放弃现在的工作呢？
One man's meat is another man's poison.
一个人的佳肴常为另一人的毒药。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。