靶机practice: vt.,vi. 〔美国〕=practise. target: n. 靶子,标的;目标;(嘲笑等的)对象;笑柄 (for ...practice target: 练习靶; 试射用靶target practice: 打靶, 射击练习aircraft target: 靶机下载手机词典可随时随地查词查翻译