It contains series of actions and many single action to fit kick, strike, tumble, hold, fall, cleave... together in some certain rules.

它包含许多姿势和连续性的动作，一些特定规则中容纳适合的撞，踢，跟斗，举，摔，劈等系列。

youdao

Manufacturers, however, say they fear that without tough action now, sales could tumble in the coming months.

不过制造商家们说，他们担心，如果现在不采取有力行动，未来几个月的销售可能会大幅度下跌。

youdao