Microspectrograph
显微摄谱仪
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
Why not go out for a walk?
干吗不出去散步？
So where's your bike today?
那么今天您的自行车在哪里呢？