国产日韩欧美-国产日韩欧美91-国产日韩欧美高清-国产日韩欧美三级-人人搞人人插-人人搞人人干

 
當(dāng)前位置:首頁(yè) » 翻譯 
  • 匿名
關(guān)注:1 2013-05-23 12:21

求翻譯:絕大多數(shù)的海膽都是雌雄異體的,海膽的五個(gè)生殖腺位于體腔的步帶區(qū),貼近硬殼內(nèi)緣且連在體腔壁上。它們會(huì)將精子及卵子排出海水中受精,沙錢(qián)在生殖孔附近有細(xì)長(zhǎng)的生殖疣足,把精子及卵子送到沙面,協(xié)助增加受精機(jī)會(huì)。部份的海膽會(huì)把受精卵放在圍口部或圍肛部附近,以棘刺包圍和保護(hù)這些卵。是什么意思?

待解決 懸賞分:1 - 離問(wèn)題結(jié)束還有
絕大多數(shù)的海膽都是雌雄異體的,海膽的五個(gè)生殖腺位于體腔的步帶區(qū),貼近硬殼內(nèi)緣且連在體腔壁上。它們會(huì)將精子及卵子排出海水中受精,沙錢(qián)在生殖孔附近有細(xì)長(zhǎng)的生殖疣足,把精子及卵子送到沙面,協(xié)助增加受精機(jī)會(huì)。部份的海膽會(huì)把受精卵放在圍口部或圍肛部附近,以棘刺包圍和保護(hù)這些卵。
問(wèn)題補(bǔ)充:

  • 匿名
2013-05-23 12:21:38
The vast majority of sea urchins are dioecious, the five gonads of sea urchins in the body cavity of step with the area, close to the hard shell inner edge and even in the body cavity wall. They are the sperm and the fertilized egg from seawater, sand dollars in the gonopore near the genital warts o
  • 匿名
2013-05-23 12:23:18
Most of the sea urchins are females, and the variant of the sea urchin gonads are located in 5 of the body cavities with hard-shell case, and close to the edge and even on the wall in body cavities. They will be discharged from the sperm and eggs fertilized in the water, and sand holes in the reprod
  • 匿名
2013-05-23 12:24:58
The overwhelming majority sea urchin all is the dioecism, the sea urchin five gonads are located the body cavity the ambulacrum area, in the drawing close to hard shell the reason also continually on the body cavity wall.They can discharge the sperm and the egg in the sea water the fertilization, th
  • 匿名
2013-05-23 12:26:38
Most sea urchins are dioecious, five of the Sea Urchin gonads in the body cavity of a stripe, closer to the crust edge and even on the cavity wall. Discharged they will take the sperm and egg fertilization in seawater, Sha Qian near the hilum are genital warts of thin feet, take sperm and eggs to th
  • 匿名
2013-05-23 12:28:18
正在翻譯,請(qǐng)等待...
 
 
網(wǎng)站首頁(yè)

湖北省互聯(lián)網(wǎng)違法和不良信息舉報(bào)平臺(tái) | 網(wǎng)上有害信息舉報(bào)專(zhuān)區(qū) | 電信詐騙舉報(bào)專(zhuān)區(qū) | 涉歷史虛無(wú)主義有害信息舉報(bào)專(zhuān)區(qū) | 涉企侵權(quán)舉報(bào)專(zhuān)區(qū)

 
關(guān) 閉
主站蜘蛛池模板: 欧美午夜视频一区二区三区 | 国产一区二区三区不卡免费观看 | 青青草原色 | 最近更新2019中文字幕 | 九九久久精品视频 | 日本在线www | 国产国产成人精品久久 | 久久免费99精品久久久久久 | 五月天综合视频 | 国产精品成人四虎免费视频 | 色综合综合在线 | 狠狠操狠狠操 | 国产三级在线 | 国产日韩免费 | 婷婷久久综合九色综合98 | 欧美超强性xxxxx | 尹人香蕉网在线观看视频 | 日韩av片免费播放 | 日日射射 | 四虎黄色影视库 | 日韩欧美在线一区二区三区 | 国产欧美日韩高清专区手机版 | 手机看片日韩日韩国产在线看 | 日韩精品在线播放 | re久久 | 日韩毛片一级 | 免费在线日韩 | 韩国福利在线 | 久久这里只有精品23 | 日韩我不卡 | 国内精品麻豆 | 久热re国产手机在线观看 | 国产日韩在线 | 国产日韩网站 | 国产午夜精品一区二区 | 国产精品无需播放器 | 青青日 | 99re6在线精品视频免费播放 | 天天干天天草天天 | www狠狠 | 国产护士资源总站 |