Labboratory reagent
[机] 实验室试剂
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
Now, once you put the ring on Susan's finger,
现在， 你一旦将戒指戴上Susan的手指，
An nod is as good as a wink to a blind horse.
对牛弹琴。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。