Sills
n. 窗台（板）( sill的复数形式 ); 门槛; 侵入火成岩席; 平巷底
🗣️ 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。
What number are you calling?
你打什么号码？
You asked me about the weather here in China.
你问及中国的天气。