警犬在废墟中连续搜寻十多个小时,最终发现了被困者的踪迹。Jǐngquǎn zài fèixū zhōng liánxù sōuxún shí duō gè xiǎoshí, zuìzhōng fāxiàn le bèikùnzhě de zōngjì.The police dog searched the ruins for more than ten hours and eventually found traces of the trapped person.
这只警犬闻了闻袋子,就找到了藏着的东西。Zhè zhī jǐngquǎn wén le wén dàizi, jiù zhǎodào le cáng zhe de dōngxi.The police dog sniffed the bag and found the hidden item.
小朋友好奇地看着训练场上的警犬。Xiǎopéngyou hàoqí de kàn zhe xùnliànchǎng shàng de jǐngquǎn.The little kid watched the police dog on the training ground with curiosity.