Heavy platinum metals
[化] 重铂组金属; 重铂三素组(指锇、铱、铂)
🧩 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;
platinum
[['plætinəm]]
n. 白金, 铂, 银灰色\\n[化] 铂Pt
五金
🗣️ 情景例句
But I am going to make a headpiece of lace.
但我准备做一个蕾丝头饰。
I didn't realize the time had passed so quickly.
我没有认识到时间这样快速过去了。
No, she's much younger than I am. She only started here this term.
对，她年纪比我小得多。她是这个学期才进校学习的。