Chemosensor
化学传感器
🗣️ 情景例句
Or religion unless you know them very well.
除非你和对方很熟。
You walk so fast that I can't keep up with you.
你走得太快，我跟不上你。
A long time ago, one of his ancestors who lived in Africa went into the forest to cut down a tree to make a drum.
很久以前，他那生活在非洲的祖先中有一人走进森林去砍树来做鼓。