n. 1.【建筑】弓架结构；拱廊；拱门；弓形门；穹窿，拱洞，拱顶。 2.弓形，半圆形。 短语和例子 a memorial arch 纪念门，牌坊。 a triumphal arch 凯旋门。 arch of the foot 足底弓。 the arch of the heavens 苍穹。 the Court of Arches (坎特伯雷的)宗教裁判上诉院。 vi. 1.【建筑】作(成)拱。 2.成弓形，弓着。 vt. 1.【建筑】把…作成拱形；使弯作弓形。 2.用拱连接，用拱覆盖。 短语和例子 The rainbow arches the heaven. 虹在天上成弓形。 A cat arches its back. 猫弓着背。 adj. 首要的；总的。 the arch villain 流氓头子。 adj. 诡诈的；淘气的。 an arch smile 顽皮的微笑。
naughtily or annoyingly playful; "teasing and worrying with impish laughter"; "a wicked prank" 同义词：impish, implike, mischievous, pixilated, prankish, puckish, wicked,
expert in skulduggery; "an arch criminal"
(used of behavior or attitude) characteristic of those who treat others with condescension 同义词：condescending, patronizing, patronising,
form an arch or curve; "her back arches"; "her hips curve nicely" 同义词：curve, arc,
(architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
a passageway under a curved masonry construction; "they built a triumphal arch to memorialize their victory" 同义词：archway,
a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
a curved shape in the vertical plane that spans an opening
例句与用法
1.
Arch ran around the house to the front yard . 阿奇绕过屋子奔到前院。
2.
Tall trees arched across the river . 高大的树木成拱形横跨过那条河。
3.
The cat arched its back when it saw the dog . 那猫看见狗时就拱起了背。
4.
The trees arched over the river . 这些树的枝叶成圆弧形，遮覆河上。
5.
Some spray would arch over the front ramp . 一阵浪花翻过前跳板打进船来。
6.
Have you ever had trouble with your arches ? 你的足弓患过病吗？
7.
The vast arch of cloud above was strangely low . 彤云密布的天穹低得出奇。
8.
"he's a playful dog, lonnie," arch said . “他是只调皮的狗，朗尼，”阿奇说。
9.
There is a beautiful arch there . 那儿有一个美丽的拱门。
10.
Floor-beam webs have cracked in tied arch bridges . 在系干拱桥的横梁腹板上发生裂纹。
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