Undercourse
底层, 垫层, 在花砖或瓷砖之下的底层
🗣️ 情景例句
I told you you'd like it. I've been doing this for years.
我告诉过你你会喜欢的。我多年来一直从事这项活动。
By the hands of many a great work made light.
众擎易举。
' I continued driving and after some time,the examiner tapped loudly,
”我继续往前开着。过了一会儿，主考人砰砰地敲了起来。