Selectivity of reagent
[化] 试剂的选择性
🧩 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];
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
Better to do well than to say well.
说得好不如做得好。
We need our order separated into three different boxes.
我们订的货需要分装三箱。