Heavy metals
[机] 重金属
🧩 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;
五金
🗣️ 情景例句
A diamond of this size is unique.
这种尺寸的钻石是独一无二的。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
Our next obstacle was a shallow pool of water about half a mile across.
下一个障碍是一片约半英里宽的浅水塘。