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
Are these the terms that we agreed on?
这些是我们同意的条件吗？
All of those houses have been built in the last ten years.
所有那些房子在这10年里被造的。
they can locate and steer clear of obstacles -- or locate flying insects on which they feed.
并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。