Screwthreads
(screwthread 的复数) n. 螺纹
🗣️ 情景例句
I must prepare my lessons.
我必须准备工课。
He is proud of his achievement.
他为自己取得的成就感到骄傲。
Look at the ice! Be careful! It's thin.
瞧那冰！当心！冰很薄。