求单词bow的含义、解释、用法、例句、相关词语辨析.

bow
bow1
noun
a knot tied with two loops and two loose ends, used especially for tying shoelaces and decorative ribbons
蝴蝶结,环状装饰结,蝶形领结
a girl with long hair tied back in a bow.
长发用蝴蝶结束在脑后的女孩.
■a decorative ribbon tied in such a knot
蝴蝶丝带
a weapon for shooting arrows, typically made of a curved piece of wood joined at both ends by a taut string
弓
a long, partially curved rod with horsehair stretched along its length, used for playing the violin and other stringed instruments
弦乐器的弓,琴弓
■a single passage of such a rod over the strings
（用琴弓拉的）一段（音乐）
a thing that is bent or curved in shape, in particular
弯曲；弧状物,尤指
■a curved stroke forming part of a letter (e.g. b, p)
字母的一弯
■a metal ring forming the handle of a key or pair of scissors
（钥匙、剪刀等的）金属环状柄,圆形拎环
■(N. Amer.)a side piece or lens frame of a pair of glasses
(北美)眼镜架或框
verb
[with obj.]play (a stringed instrument or music) using a bow
用弓拉（琴）
常用词组
have (或 add) another string to one's bow
(Brit.)have a further resource that one can make use of
(英)后备方案；第二手准备
have many strings to one's bow
(Brit.)have a wide range of resources that one can make use of
(英)有两手准备
语源
Old English boga 'bend, bow, arch', of Germanic origin; related to Dutch boog and German Bogen, also to bow