老练
tact
老练的
adept; diplomatic; experienced; expert; gray; old; old-time; seasoned; tactful; veteran
练
drill; experienced; practise; skilled; train; white silk
练兵
training
练功
practise one's skill
练肌器
ergostat
练力浴池
Hubbard tank
练声
vocalize
练尾缺母丝虫
Agamofilaria streptocerca
练习
practice; exercise; praxis; rehearsal; training
practice
练习辩论
moot
练习辩论的要点
moot point
练习律
law of exercise
练习曲
etude
练音体操
vocal gymnastics
聋哑教练法
demutization
类属操作
generic operation
离线操作
off line operation
off-line operation
理想操作系统
hypothetical operating system
立即操作
immediate operation