| 单词 | cloaca |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔bursa of Fabricius〕A thymuslike lymphoid gland in birds that is an outgrowth of the cloaca and the site of B cell maturation.盲腺囊：鸟体内类似胸腺的粘液腺，是泄殖腔和成熟的囊依赖细胞外的生成物美国传统〔ureter〕The long, narrow duct that conveys urine from the kidney to the urinary bladder or cloaca.输尿管：把尿液从肾脏中传输到膀胱或排泄腔的长而窄的导管美国传统 |
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