Libs
abbr. 激光诱导击穿光谱（Laser-induced Breakdown Spectroscopy）
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
The children began to get across at each other.
孩子们开始争吵了。
I don't know. I think he's very old.
不知道。我想他年纪一定很大了。