Undercourse
底层, 垫层, 在花砖或瓷砖之下的底层
🗣️ 情景例句
According to the newspaper, Sally has quit her job.
报上说莎里辞职不干了。
A courageous foe is better than a cowardly friend.
勇敢的敌人胜过懦怯的朋友。
That's easy. I can do that tomorrow. I'll bring my drill.
那容易。我明天就做。我把钻头带来。