downward roll 中文意思是什麼

downward roll 解釋
下降滾
  • downward : adj. 1. 下方的,向下的,低下的。2. 下降的;下坡的;(市價)下跌的。adv. = downwards. adv. -ly ,-ness n.
  • roll : vt 1 滾,轉,推滾(桶、車輪等),使(煙、塵土)滾滾上升,滾滾推進(浪、水等);滾動,溜轉(眼睛)...
  1. A good sinker - - which essentially is a fastball thrown with a roll of the wrist to create downward movement - - drops sharply as it approaches the plate and typically results in the batter - hitting a ground ball

    一個好的伸卡球投手:本質上將快速球運用手腕下壓的力量,讓球路往下跑,在靠近本壘板前銳利的下沈,造成打者擊出滾地球。
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