第二性徵
ok8.org > 词典 > 第二性徵
(第(dì )二(èr )性(xìng )徵(zhēng ),第(dì )二(èr )性(xìng )征(zhēng ))
人(rén )和(hé )动(dòng )物(wù )性(xìng )成(chéng )熟(shú )后(hòu )所(suǒ )表(biǎo )现(xiàn )的(de )与(yǔ )性(xìng )别(bié )有(yǒu )关(guān )的(de )外(wài )表(biǎo )特(tè )徵(zhēng )。如(rú )女(nǚ )子(zǐ )乳(rǔ )部(bù )发(fā )达(dá ),音(yīn )调(diào )高(gāo );男(nán )子(zǐ )生(shēng )鬚(xū ),音(yīn )调(diào )低(dī );雄(xióng )鸡(jī )冠(guàn )高(gāo )尾(wěi )长(zhǎng )而(ér )善(shàn )鸣(míng ),羽(yǔ )毛(máo )鲜(xiān )艳(yàn )。这(zhè )些(xiē )特(tè )点(diǎn )都(dōu )是(shì )第(dì )二(èr )性(xìng )徵(zhēng )。又(yòu )称(chēng )副(fù )性(xìng )徵(zhēng )。
阅读:1083
●第二性徵(简体版)
©2015-2020 ok8.org 文学库