Lr
abbr. 书面报告（Letter Report）；远距离, 远程（Long Range）；实验室反应堆（Laboratory Reactor）；液体燃料火箭（Liquid Rocket）
🗣️ 情景例句
Please, come in. Join us.
请进。跟我们一起吃吧。
The racer's car burst into flames just as he had crawled out.
当赛车手爬出车子后不久，汽车就爆炸燃烧了起来。
What kind of quality control do you have?
你们用什么办法来控制质量呢？