1、The lower part of the spine has a natural curve; it should be relaxed but upright.───脊椎下半部的自然曲线，要保持放松、挺直。
2、Maintain the natural curve in your lower back.───保持腰背部的自然弯曲。
3、Maintain the natural curve in your lower back, and don't hold your breath.───保持腰背部的自然弯曲，不要屏住呼吸。
4、To avoid this, check your drugstore for nail "nippers" that are shaped to follow the natural curve of the nail.───避免长成嵌甲的方法就是，去药店买个专门用来修指甲的小镊子，按照指甲自然弧度来剪。
5、As you stand, maintain the natural curve in your lower back and keep your core muscles tight.───在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。
6、Maintain the natural curve in your lower back, and keep your core muscles tight.───保持腰背部的自然弯曲，保持收紧你的核心肌肉。
7、Lean on the ball as shown, keep the back flat or maintain its natural curve, with the legs straight.───身体俯卧于球体之上，动作如图所示。背部保持正直或保持自然弯曲状态，腿部伸直。
8、Notice the natural curve of your hand.───请注意你的手的自然曲线。
natural curve（英语使用场景）
1、Insert the stylet into the endotracheal tube, maintaining the tube's natural curve.
natural curve（意思翻译）
自然曲线
natural curve（相似词语短语）
1、armhole curve───袖窿弧线
2、stupidity curve───愚蠢曲线
3、natural───adj.自然的；物质的；天生的；不做作的；n.(Natural)人名；(西)纳图拉尔；n.自然的事情；白痴；本位音
4、audibility curve───可听度曲线
5、cooling curve───[晶体]冷却曲线；步冷曲线
6、supply curve───供给曲线，供应曲线；[经]供给曲线
7、curve───vt.弯；使弯曲；adj.弯曲的；曲线形的；n.曲线；弯曲；曲线球；曲线图表；vi.成曲形
8、single curve───单曲线
9、melting curve───熔解曲线；解链[熔解]曲线，固线；熔化曲线
natural curve（双语使用场景）
1、The lower part of the spine has a natural curve; it should be relaxed but upright.───脊椎下半部的自然曲线，要保持放松、挺直。
2、Maintain the natural curve in your lower back.───保持腰背部的自然弯曲。
3、Maintain the natural curve in your lower back, and don't hold your breath.───保持腰背部的自然弯曲，不要屏住呼吸。
4、To avoid this, check your drugstore for nail "nippers" that are shaped to follow the natural curve of the nail.───避免长成嵌甲的方法就是，去药店买个专门用来修指甲的小镊子，按照指甲自然弧度来剪。
5、As you stand, maintain the natural curve in your lower back and keep your core muscles tight.───在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。
6、Maintain the natural curve in your lower back, and keep your core muscles tight.───保持腰背部的自然弯曲，保持收紧你的核心肌肉。
7、Lean on the ball as shown, keep the back flat or maintain its natural curve, with the legs straight.───身体俯卧于球体之上，动作如图所示。背部保持正直或保持自然弯曲状态，腿部伸直。
8、Notice the natural curve of your hand.───请注意你的手的自然曲线。
natural curve（英语使用场景）
1、Insert the stylet into the endotracheal tube, maintaining the tube's natural curve.