短语词组用作動詞 (v.)～+名詞shorten sails 收帆減速shorten a skirt 將裙子改短shorten the span 縮短時間～+介詞shorten by cold 遇冷會縮短shorten sth by an inch 把某物縮短一英寸shorten into 縮短爲shorten to 壓縮到短語 返回 shortens