Deradelphus
并头联胎
🗣️ 情景例句
there will be a surprise.
会有一项让你惊喜的事。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。