| ประโยคภาษาจีน : 中文句子 | 
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|  dāng当  chú niǎo雏鸟  hé和  niǎo dàn鸟蛋  shòu dào受到  gōng jī攻击  shí时  niǎo鸟  huì喙  bù tóng不同  de的  qiáng dù强度  dà xiǎo大小  yǐ jí以及  xíng zhuàng形状  jiāng将  zài在  niǎo cháo鸟巢  zhàn dòu战斗  zhōng中  qǐ dào起到  zhòng yào重要  zuò yòng作用 | 
| Bills can give a bird the upper hand in nesting battles due to the strength, size, and shape for puncturing smaller birds and their eggs. |