Reagent grade
[化] 试剂级别\\n[医] 试药纯级[品]
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
What do you do at Universe Toy Company?
你在宇宙玩具公司做什么工作？
When were you born?
你什么时候出生的？
but the fire fighters were eventually able to free him by cutting a huge hole in the wall.
消防队员在墙上挖了个大洞，才终于把他解救出来。