Biotronics
生物环境调节技术
🗣️ 情景例句
Goodbye, take it easy.
再见，悠着点。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
They've met with great favor home and abroad.
这些产品在国内外很受欢迎。