"practice"的搜索结果

an event leader helps an archery student practice her skills

标签: an,event,leader,helps,an,arche 浏览: 0

group of teens practice their archery skills

标签: group,of,teens,practice,their, 浏览: 0

practice placing a tape measure for mapping stream reach longitudinal profile

标签: practice,placing,a,tape,measur 浏览: 0

educating hunters gun practice

标签: educating,hunters,gun,practice 浏览: 1

catching fish using electrofishing practice

标签: catching,fish,using,electrofis 浏览: 0

sport hunting gun practice

标签: sport,hunting,gun,practice 浏览: 1

students attending course and practice using a surveyor rod for mapping profiles of various habitat features

标签: students,attending,course,and, 浏览: 1

person practice using a sight level for mapping ground

标签: person,practice,using,a,sight, 浏览: 0

family physicians in lebap province practice newly learned skills in handling childhood illnesses

标签: family,physicians,in,lebap,pro 浏览: 1

indonesia students practice testing and treating water to make it safe to drink

标签: indonesia,students,practice,te 浏览: 0

newly certified midwives prepare to enter private practice in south sulawesi indonesia

标签: newly,certified,midwives,prepa 浏览: 0

women practice proper technique with a bifurcated needle

标签: women,practice,proper,techniqu 浏览: 0

practice proper technique with a bifurcated needle at smallpox training

标签: practice,proper,technique,with 浏览: 0

performing push ups on an indoor practice fields artificial grass surface

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man pictured here was standing on an indoor practice field lifting 35lb dumbbells

标签: man,pictured,here,was,standing 浏览: 0