Rectilinearity
直线性
🗣️ 情景例句
What room are you in, sir?
先生，您住几号房？
Ooo! I can't look.
唔，我不忍心在看下去了。
Fortunately, however, ancient men made tools of stone, especially flint,
然而， 幸运的是，远古人用石头制作了工具，特别是用燧石，