Guaranteed reagent
[化] 保证试剂; 优级纯
🧩 词语组成解析
guaranteed
[[ˌgærən'ti:d]]
a. 有保证的, ；有人担保的
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
May I have headphones for the in-flight movie?
我可以要一副耳机来欣赏飞机上的电影吗？
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。
but she is never sufficiently strong-minded to be able to stop the practice.
但她又缺乏足够坚强的意志把这一收集活动停下来。