Biotronics
生物环境调节技术
🗣️ 情景例句
Is this your best price?
这是你们最优惠的价格吗？
Could you tell me where the nearest telephone is?
你能告诉我最近的电话在哪儿吗？
I have pressing business to attend to.
我有紧急的事情要处理。