Rell
abbr. rare earth liquid laser 稀土元素液态激光器
🗣️ 情景例句
A diamond of this size is unique.
这种尺寸的钻石是独一无二的。
To answer the first part of your question, I'd like to say that our studies were very extensive.
你问题的第一部分，我要说的就是我们的研究非常广泛。
Tom and Mary congratulated us on the birth of our daughter.
汤姆和玛丽为我们女儿的出生向我们表示祝贺。