drill; practice 短语和例子士兵们在兵营练兵场操练。 the soldiers were at drill in the barrack-yard.; 操练椅 plint操练队: drill team操练椅: plinth操练员: driller坏操练: mechanical drills钻孔,操练: drill下载手机词典可随时随地查词查翻译