Lithostrotum
[建]用小块彩色大理石镶嵌的行道
🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
She was disappointed by what Lawrence said.
她对劳伦斯说的话感到失望。
Is that why you don't want to go home?
这就是你不想回家的原因吗？