Downwardness
n. downward的变形
🗣️ 情景例句
Hi, Alexandra. Come on in.
嗨， Alexandra 。请进。
Cad! Cur! Beast!
无赖！流氓！杂种！
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。