Quasistable isotope
[化] 准稳定同位素(指碘129、镎237等长寿命同位素)
🧩 词语组成解析
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
The cat shut its eyes while it steals cream.
掩耳盗铃。
Had it not been for the alarm clock she wouldn't have been late.
如果不是因为闹钟不响的话，她就不会迟到了。