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
That's backbreaking work and may be too much for us.
这可是累人的工作， 我们可能负荷不了。
I will come back with him if he asks me.
我会和他走回来，假如他要求我的话。
In the letter he was asked to call at the station.
要他到警察局去一趟。