Heavy oxygen
[医] 重氧
🧩 词语组成解析
heavy
['hɛvi]
adj. 重的，沉重的;大量的，浓密的;激烈的;重型的;
n. 重物;庄重的角色;
adv. 密集地;大量地;笨重地;
🗣️ 情景例句
Sounds good. I'll be there at 7.
很好。我7点会到。
The tongue of idle persons is never idle.
懒汉的舌头并不闲。
I get to school at about 7:30 every day.
我每天七点半到校。