Radioactive secular equilibrium
[化] 放射性长期平衡
🧩 词语组成解析
secular
['sɛkjəlɚ]
adj. 现世的，俗界的;长期的，长久的;不朽的;一世纪一次的;
n. 牧师;[宗]俗僧，俗人;〈美〉（黑人中间流行的）俗歌;
🗣️ 情景例句
since her mother died.
因为她妈妈去世了。
My brother took a trip to Mexico.
我的兄弟到墨西哥旅行了。
Yesterday my husband removed the gate and Rex got so annoyed we have not seen him since.
昨天，我丈夫把门卸了下来，雷克斯很生气，此后我们便再也没有见到它。