英德
有道
百度
谷歌
图片
维基
百科
ball arm
[机] 球杆
- Hitting with an open stance brings the arm closer to the oncoming ball.
而用开放式步伐击球就可使手臂更接近来球。 - In the shot put event, the athlete propels a heavy metal ball with one arm only.
在铅球运动中，运动员只能用一只手投掷一个很重的金属球。 - For example, before you can throw a ball you must first swing your arm backwards.
比如说在你投掷一个球之前必然要先向后弯曲你的手臂获得足够的势能。
ball arm
ball attachment
ball bank indicator
ball bank unit
ball bearing
ball bearing (couplin...
ball bearing center p...
ball bearing floating...
ball bearing grease
ball bearing guide bu...
ball bearing hinge
ball bearing nut
ball bearing pulverizer
ball bearing retainer
ball bearing shielded
ball bearing steel
ball bearing steel strip
ball bearing steels
ball bearing technology
ball bearing torque t...
ball bearing tube
ball bearing washer
ball bearing with seals
ball bench scale
ball blast
ball blasting
ball bond
ball bonder
ball bonding
ball boy
ball breaker
ball bullet
ball burnishing
ball burst testing
ball bushing
ball cabbage
ball cage
ball callipers
ball carrier
ball cartridge
ball case cover
ball catch
ball center plate
ball change
ball charge
ball charge capacity ...
ball check
ball check nozzle
ball check valve
ball choke
ball chuck
ball clack
ball clay
ball cleaner
ball cleaning of puri...
ball coal
ball cock
ball cock device
ball cock washer
ball cold header
ball attachment
ball bank indicator
ball bank unit
ball bearing
ball bearing (couplin...
ball bearing center p...
ball bearing floating...
ball bearing grease
ball bearing guide bu...
ball bearing hinge
ball bearing nut
ball bearing pulverizer
ball bearing retainer
ball bearing shielded
ball bearing steel
ball bearing steel strip
ball bearing steels
ball bearing technology
ball bearing torque t...
ball bearing tube
ball bearing washer
ball bearing with seals
ball bench scale
ball blast
ball blasting
ball bond
ball bonder
ball bonding
ball boy
ball breaker
ball bullet
ball burnishing
ball burst testing
ball bushing
ball cabbage
ball cage
ball callipers
ball carrier
ball cartridge
ball case cover
ball catch
ball center plate
ball change
ball charge
ball charge capacity ...
ball check
ball check nozzle
ball check valve
ball choke
ball chuck
ball clack
ball clay
ball cleaner
ball cleaning of puri...
ball coal
ball cock
ball cock device
ball cock washer
ball cold header
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中国词汇量第二的英语词典
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