Ⅰ. crop “收成”指谷物、水果、蔬菜等一年或一季的收成 它表示“農(nóng)作物、莊稼”的意思。如：
    ① The rice crop was very good this year. 今年稻子的收成很好。
    ② The rice bears two crops every year. 稻子一年收兩次。
    ③ It is harmful to growing crops. 這對(duì)于正在生長的農(nóng)作物有害。
    Ⅱ. harvest “收成、收獲”多指谷物的收成，也指水果、蔬菜等的收成;有時(shí)指收割行為。也可用于借喻，指行動(dòng)或行為的結(jié)果。如：
    ① Rich harvests have been gathered in for several years running. 連續(xù)幾年獲得了豐收。(可用crops代替)
    ② The summer harvest is about to start. 夏收即將開始。
    ③ He reaped the harvest of his hard work. 他獲得了辛勤勞動(dòng)的成果。