Stridulates
vi. 發尖銳的摩擦聲（尤指昆蟲如蟋蟀所發）
??? 情景例句
You'll see a dotted line on the last page.
你會在最后一頁上看到一條虛線。
Thoroughly to teach another is the best way to learn for yourself.
教學相長。
He can get up for about two hours each day, but you must keep the room warm.
他每天可以起來兩個小時，但您必須保持房間溫暖。