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
No, no. But I do have very close friends in New York City.
没有。我在纽约有很要好的朋友。
Have you ever thought about a career in the medical profession?
你曾经在医药专业考虑职业吗？
A mooncake is a delicious, round cake.
月饼是一种味美的圆糕点。