Ety
abbr. etymological 词源学的; etymologist 词源学者; etymology 词源（学）
🗣️ 情景例句
OK. Keep those knees up.
好 ，膝盖抬高。
He yanked out my ladder.
他使劲地拉了我的梯子。
They cut big pieces of metal into small pieces.
它们把大块的金属切成小块。