1. arch

1. They considered him their arch opponent.
    他们将他看成是主要对手。

1. A bridge arches a river.
    一座桥横跨在河上。

2. The cat arches its back when it sees the dog.
    猫看到狗，便把背拱起。

3. arch的解释

3. The wind arched the trees over the path.
    风把树吹得弯向路面。

1. arch什么意思

1. That is an triumphal arch.
    那是一座凯旋门。

1. 弓形：传统的分类算法沿用指纹学上的分类法,把指纹分为五类:弓形(Arch)、帐弓形(TentArch)、左箕形(Leftloop)、右箕形(Rightloop)和斗形(Whorl). 根据公安部的统计,中国人指纹类型的分布,弓形和帐弓形分别为1.1%、1.4%. 对于实际系统,

2. arch：autoregressive conditional heteroscedasticity; 自回归条件异方差

3.

3. arch：archiver; 记录备份行程

4. arch：archivesandrecordsretirementunit; 档案和记录处理股

5. arch：auto regressive conditional heteroscedasticity; arch模型

1. 拱;拱门;拱形结构
    An arch is a structure that is curved at the top and is supported on either side by a pillar, post, or wall.

arch

2. 弧形;弧形运动
    An arch is a curved line or movement.

arch的解释

3. 足弓;足背
    The arch of your foot is the curved section at the bottom in the middle.

4. 弓着,佝着（背）等
    If you arch a part of your body such as your back or if it arches, you bend it so that it forms a curve.

    e.g. Don''t arch your back, keep your spine straight.
           别佝着背，把腰挺直。

5. （表示惊奇或不赞同）扬起（眉毛）
    If you arch your eyebrows or if they arch, you move them upwards as a way of showing surprise or disapproval.

    e.g. ''Oh really?'' he said, arching an eyebrow.
           “哦，真的吗？”他扬起一边的眉毛说。

6. 拱起；成弓形；呈弧形运动
    If something arches in a particular direction, it makes a curved line or movement.

arch

    e.g. I gazed up at the domed ceiling arching overhead.
           我抬头凝望着上方弧形的穹顶。

7. 神秘的；淘气的；调皮的
    An arch look is mysterious and mischievous.

    e.g. Both of them looked at him with that curious, slightly amused and even arch expression.
           他们俩都看着他，带着一副好奇的、有点觉得好笑甚至是淘气的表情。

8. 傲慢自大的
    If you say that someone is arch, you are criticizing them for talking or behaving as if they are better or more important than other people.

    e.g. Their attempts to be casual have so far just looked arch or patronising.
           他们本想做出漫不经心的样子，结果反而显得傲慢自大或自视甚高。

9. see also: arched

1. (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it

2. a passageway under a curved masonry construction

    e.g. they built a triumphal arch to memorialize their victory

    Synonym: archway

3. a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)

4. a curved shape in the vertical plane that spans an opening

1. form an arch or curve

    e.g. her back arches
           her hips curve nicely

    Synonym: curvearc

1. naughtily or annoyingly playful

    e.g. teasing and worrying with impish laughter
           a wicked prank

    Synonym: impishimplikemischievouspixilatedprankishpuckishwicked

2. (used of behavior or attitude) characteristic of those who treat others with condescension

    Synonym: condescendingpatronizingpatronising