人们常把“弹”、“殚”和“惮”字混用,原因在于没有从部首角度去辨析每个字的意思。“弹”从“弓”部,,以“弓”为部首的字意义大都与弓矢有关。“弹”(dàn)字的意义是“以竹为弦的弹弓”。后来“弹”(dàn)成为子弹、枪弹、炸弹一类的总称;“弹丸”多用来比喻地方狭小,如《战国策·赵策》:“此弹丸之地犹不予也,令秦来年复攻,王得无割其内而媾乎?”现在的“弹丸之地”中仍引用此意。 People often use the words “bomb”, “殚” and “dread” because the meaning of each word is not discriminated from the ministry perspective. “Bombs ” From “bow ” Department, to “bow ” for the radical meaning of the word most of bow related. The meaning of the word “bomb” (dàn) is “slingshot with bamboo”. Later, “bomb” (dàn) became a general term for bullets, bullets and bombs; “projectiles” were mostly used to describe small places such as “Warring Zhao Policy”: “ , So that the next year, Qin attack again and again, the king did not cut it within the 媾 almost? ”Now “ Projectile land ”is still quoted in this meaning.