arc

UK:  [ɑː(r)k]

US:  [ɑrk]

复数：arcs  现在分词：arcing  过去式：arced  

abbr.

1.(=American Radio Corporation)美国无线电公司

2.(=Anti-reflective Coating)防反射涂层

n.

1.弧;弧形;弓形

2.【数】弧,圆周的一部分

3.【物】电弧;弧光

v.

1.按弧形轨迹行进

2.【科技】形成电弧

1 . The next time you see a rainbow notice that you are in the center of the arc , and that if you move the rainbow moves with you.
下次当你仔细观察彩虹，你会发现你正处于彩虹弧度的正中，并且当你移动是，彩虹中心也随你移动。

2 . The muscles in her back tightened, pulling down from her spine and causing her back to arc slightly.
她后背上的肌肉绷紧着，使她脊梁骨向下沉，背部有点弯成了一个弧形。

3 . As the sea fox rises from the water, the diamond shark leaps out of the waves behind it and arrows down in a deadly arc.
海狐从水中起来时，钻石鲨从它身后的波涛中跃起，如箭般飞去，在空中划出一道死亡弧线。

4 . Thus calculating result, the galileo discovered a secret, this was the pendant lamp to put a time time, ignore arc size, always similar of.
这样计算的结果，伽利略发现了一个秘密，这就是吊灯摆一次的时间，不管圆弧大小，总是一样的。

5 . Instead of merely bouncing up and down, it turns out that breasts arc through a complicated figure-8 pattern when a woman runs or walks.
除了仅仅上蹿下跳，当女性跑动或行走时，还发现，乳房以数字“8”的形状走着弧线。