Chemosensor
化学传感器
🗣️ 情景例句
You're pretty close.
你的答案相当接近了。
The voice of one man is the voice of no one.
一个人的声音是没有力量的。
They are often more industrious, useful citizens than those who are never late.
他们与那些从不迟到的人相比，常常是更勤奋有用的公民。