Topochemotaxis
趋化源性
🗣️ 情景例句
Excuse me, officer.
对不起 警官。
Would it be possible for me to have a closer look at your samples?
可以让我参观一下你们的产品陈列室吗？
Can we buy it on instalments?
我们可以用分期付款的方式购买吗？