Peroba
多脉白坚木
🗣️ 情景例句
I'm calling to know if it would be at all possible to cancel our reservation.
我打电话想知道我们的预约是否有可能取消。
Glad to have been of help.
我很高兴能给您帮个大忙。
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，