Underwall
底帮, 底板, 下盘
🗣️ 情景例句
Years of work went into these pictures.
多年心血换来这些照片。
Work hard, otherwise you'll be sorry.
努力用功，否则你会后悔的。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。