🧩 词语组成解析
n. 马丁, 圣马丁鸟
n. 布伯（人名）
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
A clear conscience is a soft pillow.
问心无愧，高枕无忧。
It's the library's. Please be more careful from now on!
“是图书馆的书。从现在起请你倍加小心！”