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
so that we can record our thoughts about the trip.
以便我们能录下旅行中的感想。
If things were to be done twice all would be wise.
事事倘能做两次，人人都可称明智。
Nothing much. Why?
没什么事。什么事？