A similar structure or part, such as one that enables the valves of a bivalve mollusk to open and close .

類似鉸鏈的裝置類似的結(jié)構(gòu)或部分，如使雙殼類軟體動物的殼張開閉合的關(guān)節(jié)

When the Thompson quadruplets espied him one day, they called him a bivalve and ran quickly away.

有一天人人操毛片免费看，湯普森家的四胞胎看見他久欠精品国国产99国产精2020，"雙殼貝！"喊完后一溜煙的跑走了在线播放精品。

As the product of calcium metabolism, the formation mechanism of pearl and shell of marine bivalve is always the hot field of biomineralization.

作為鈣代謝的產(chǎn)物人人性爱视频在线观看，珍珠和貝殼的形成機(jī)理一直是人們研究的熱點(diǎn)。

They are a bizarre community of intelligent bivalve mollusks with incredible memories that somehow retain the entire history of the planet.

這是個(gè)由一群有智慧的雙殼貝類軟體動物組成的奇怪族群人人操人人爱乳房，它們有著極佳的記憶力免费啪视频，保存了整個(gè)星球的歷史。

For the gonad development of bivalve offered reference

為雙殼貝類性腺發(fā)育的研究工作提供參考欧美大乳爱爱视频小日本爱爱视频。

They found that the tropics are the source of most of the world's bivalve biodiversity. More than two-thirds made their first appearance there. Many then migrated to other regions.

他們發(fā)現(xiàn)熱帶是大部分雙殼類的起源地日韩欧美偷拍一区二区三区，超過三分之二的雙殼類在熱帶首先出現(xiàn)，其中的很多是之后遷徙到其他地區(qū)的AAA级黄色毛片。

Bivalve mollusk abundant in rivers of central United States.

盛產(chǎn)于美國中部河流的雙殼類軟體動物男人扒开女人的腿桶到爽视频。

Herbert ran to the beach and returned with two large bivalve shells.

赫伯特還跑到海邊去，帶了兩只大蚌回來国产在线com。

Marine bivalve that bores into rock or clay or wood by means of saw-like shells.

用它鋸一樣的殼在巖石狼友黄色网站、泥土或木頭中鉆洞的海生雙殼類動物。

In bivalve molluscs, related phenomena, marker-associated heterosis and distortion of marker segregation ratios, have been widely reported over the past 25 years.

在雙殼貝類研究中草逼福利视频，與標(biāo)記相關(guān)的雜種優(yōu)勢及偏分離現(xiàn)象在過去的25年中被廣泛報(bào)道。