Selectivity of catalyst
[化] 催化剂的选择性
🧩 词语组成解析
n. 选择性, 选择度\\n[化] 选择性
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
she's still alone, without her family.
她仍是孤单单的，找不到家。
Poli-sci major
专攻政治社会学
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。