大家都搜：
下行冲程
1、downward curves───向下曲线
2、downward dog───下犬式
3、downward spiral───向下旋转；螺旋式下跌；减记恶性循环；n.恶性循环
4、downward pressure───向下压力；下向压力
5、downward mobility───趋下流动趋下流动
6、stroke───vi.击球；作尾桨手，指挥划桨；（打字时）击打键盘；n.（游泳或划船的）划；中风；（打、击等的）一下；冲程；（成功的）举动；尝试；轻抚；vt.（用笔等）画；轻抚；轻挪；敲击；划尾桨；划掉；（打字时）击打键盘
7、downward trend───[数]向下趋势，下跌趋势；看跌
8、downward───adv.向下；adj.向下的，下降的
9、downward sloping───左至右向下延伸，向下倾斜
1、Nick's arm muscles bulged, preparing for the downward stroke.───尼克手臂上的肌肉涨鼓起来，准备着向下一砍。
2、A downbeat is the downward stroke of the conductor's baton, denoting the principally accented note of a measure.───强拍就是指挥的指挥棒向下指，表示出一小节中的主要强音所在。
3、This upward leader connects with the downward leader and a return stroke occurs. Five more dart leader-return strokes follow.───上行先导与下行先导连接，于是产生了一次回击，随后又是五次以上的直窜先导型回击。
4、Eventually a negative stepped leader travels downward and reaches the ground, creating a return stroke.───最终一个下行传播的负极梯形先导接触到地面，制造了一次回击。
5、to hit or hit at with a short, swift downward stroke───削击；击球或用一个短促向下的打法击球