Perstoff
[化] 双光气
🗣️ 情景例句
Did you pay for that?
你付钱了没有？
Keeping is harder than winning.
创业不易，守业更难。
The river which forms the eastern boundary of our farm has always played an important part in our lives.
形成我们农场东部边界的一条河流一直在我们生活中发挥着重要作用。