baleen基本解釋
名詞鯨須
baleen網(wǎng)絡(luò )解釋
1. 鯨須:前者不具齒(胎兒期具齒),由上腭部角質(zhì)化板排列成行,自口頂下垂,以濾食小型水生生物,稱(chēng)為鯨須(baleen). 須鯨為現存最大的哺乳動(dòng)物,約為最小的哺乳類(lèi)(如鼩鼱)體重的2000萬(wàn)倍. 動(dòng)脈直徑達30cm,心臟每次收縮可卿出45dm3~68dm3的血液.
2. 鯨須 (名):bale 打包; 包裝; 捆包 (動(dòng)) | baleen 鯨須 (名) | baleful 有害的, 惡意的 (形)
baleen英英釋義
noun
1. a horny material from the upper jaws of certain whales
used as the ribs of fans or as stays in corsets
Synonym: whalebone