Appar
n. 仪表（机构、学术著作中的注解）
🗣️ 情景例句
She's coming over this morning to help me with my math.
她今天早晨要过来帮我补习数学。
He answered almost all of my questions.
他回答了我几乎所有的问题。
Thus the rods, by falling, and by the direction in which they fell,
木棒倒下的多少和倒下的方向