Specific activity
[化] 比活; 比活度; 比放射性; 放射性比度\\n[医] 特殊活动
🧩 词语组成解析
🗣️ 情景例句
We need to bring a flashlight.
我们需要带一个手电筒。
Don't underestimate the difficulties of the work.
不要低估了这项工作的限巨性。
It seemed certain that she would be the first ship home, but during the race she had a lot of bad luck.
看来，它首先返抵英国是确信无疑的了，但它却在比赛中连遭厄运。