Chemosensor
化学传感器
🗣️ 情景例句
No one knows for certain what happened, but it's a fair bet that it was not an accident.
没有人知道究竟发生了什么，但几乎可以肯定这并非意外。
First think, and then speak.
先想后说。
I had several photographs of Clare Flower, and I picked out one interesting photograph of Clare aged twelve in an art class at school.
我有几张克莱尔·弗劳尔的照片，挑出了一张克莱尔12岁时在学校假期艺术课上拍的很有趣的照片。"