Reactive species
[化] 活性种
🧩 词语组成解析
reactive
[[ri'æktiv]]
a. 反动的, 反应的\\n[医] 反应的
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
We must make it clear from the very beginning that competitive quotations are acceptable.
必须一开始就讲清的是，有竞争力的报价可以接受。
We tramped through the wood for over two hours until we arrived at a deep stream.
我们在树林中跋涉了两个多小时，到了一条深溪边。