Ecd
[化] 电子捕获检测器
🗣️ 情景例句
Some think that all's fair in business.
一些人以为商界的一切都是公平的。
What's the matter with you?
你怎么了？
It's a pleasure to meet you. Can I take those boxes for you?
很高兴认识您。我能帮您拿那些箱子吗？