Rheotactic
a. 微生物在水流中之行动的
🗣️ 情景例句
What's the exchange rate today?
今天的兑换比率是多少？
To worry about tomorrow is to be unhappy today.
担心明天，今天就不愉快了。
I've got some personal affairs that I have to see to, but I've also got some time to visit some relatives.
我还有些个人的事得去料理一下，但我也得抽些时间去看看一些亲戚。