Nifext
可溶游离氮
🗣️ 情景例句
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
Wake up and smell the coffee!
面对现实吧！
You'll save time not waiting for the elevator.
你可以节省等电梯的时间。