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
Keep cool.
保持冷静。
If this shirt doesn't fit,may I bring it back later?
如果这件衬衫不适合，我以后可以带回来换吗？
Mr and Mrs Shute were very sad. But what could they do?
舒特先生和夫人非常难过。但他们有什么办法呢？