名詞 arrow:

1. a mark to indicate a direction or relation
   同義詞：pointer
2. a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow

1. The bow twanged and the arrow whistled through the air.
   那張弓發(fā)出｀　崩＇的一聲，箭隨之呼嘯而去。
2. The arrow flew straight and true to its mark.
   那箭不偏不斜地直朝目標(biāo)飛去。
3. The arrow just split the apple in half.
   箭把蘋果分成兩半。
4. The arrow is pointing the wrong way.
   這個(gè)箭頭指錯(cuò)了方向。
5. The art, sport, or skill of shooting with a bow and arrow.
   射箭運(yùn)動(dòng)員，弓箭手用弓箭射擊的技藝、運(yùn)動(dòng)或技巧
6. He shot arrows one by one, but each missed.
   他射了一箭又一箭，但都未射中。
7. The airport is arrowed on the map.
   飛機(jī)場(chǎng)在地圖上用箭頭標(biāo)出。

ar.row

n.（名詞）
A straight, thin shaft with a pointed head at one end and often flight-stabilizing vanes at the other, meant to be shot from a bow.
箭：一端帶有尖頭的，細(xì)的直桿，另一端常帶有用于穩(wěn)定飛行的渦輪葉，以弓弩的形式發(fā)射
Something, such as a directional symbol, that is similar to an arrow in form or function.
箭頭形符號(hào)：功能或形式類似箭頭的某物，如用于指示方向的符號(hào)

來源：
Middle English arwe
中古英語(yǔ) arwe
from Old English
源自 古英語(yǔ)