Radon seed
[医] 氡小管
🧩 词语组成解析
radon
['reidɔn]
n. <化>氡（元素符号Rn）;
seed
[sid]
n. 种子;子孙;起源;（尤指网球比赛）种子选手;
vt. 播种;抽出种子选手;除去…之种子;确定（某人）为种子选手;
vi. 结籽;（种子）繁殖;
🗣️ 情景例句
Cradle and all.
摇篮一道摔。"
We waved until the car was out of sight.
我们挥手直到汽车消失。
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.
此后不久，英国著名的“挑战者”号舰艇对海底的那次考察，把对海床的研究确立为一个值得一流物理学家和地质学家从事的研究课题。