英语词汇“required”的读音、翻译、释义、用法及例句-初旭网

词汇	required
释义	re.quired形容词 (美)< 学科> 必修的 (compulsory) (←→ elective) a ~ subject必修科目
随便看	tractility traction traction engine traction wheel tractive tractor tractor airplane tractor-trailer tractor train tractrix tract society Tracy trad tradable tradal trade trade acceptance trade agreement trade association trade balance trade barrier trade board trade book trade cycle trade deficit

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