Berc
abbr. Biomedical Engineering Research Corporation <美国>生物医学工程研究公司; Black Economic Research Center 黑人经济研究中心
🗣️ 情景例句
It was my please.
荣幸之至。
The first step is the only difficulty.
万事起头难。
Thanks a lot. Bye.
谢谢你。再见。