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
After my wife died,
我妻子去世后，
The whole carton is packed with double straps, each corner of the carton consolidated with metal angles.
纸箱外加了两道箍，每个箱角都用金属角加固。
It's a pleasure. What time is it by your watch, please?
不客气。请问，你的表几点了？