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
Have you been to our Tourist Information Center?
你去过我们的旅客服务中心吗？
I'm sorry, but I think she's stepped out.
对不起，我想她出去了。
Excuse me. Is there a post office near here?
请问，附近有邮局吗？