Background equivalent activity (bea)
[化] 天然本底放射性当量强度
🧩 词语组成解析
equivalent
[ɪ'kwɪvələnt]
adj. 相等的，相当的，等效的;等价的，等积的;[化学]当量的;
n. 对等物;[化学]当量;
equi相等，平均+val力量+ent形容词后缀→力量平等→相等的，等价的
🗣️ 情景例句
And what about our family?
另外就是我们家的人怎么办？
You never know what you can do till you try.
事非经过不知难。
In his mouth were the remains of fir trees -- the last meal that he had before he fell into the crevasse and broke his back.
它嘴里还留着冷杉 -- 它掉进冰河裂隙折断脊椎柱之前的最后一顿饭。