图语译典

图典词表

英文/音标中文/解释

1	origin and evolution of species	物种的起源和进化〔1〕
	Since its formation some 4.6 billion years ago, the Earth has witnessed the genesis of continents and oceans and the appearance of animals and vegetation. 自46亿年前形成以来，地球见证了大陆和海洋的起源以及动物和植被的出现。
2	Ordovician [ˈɔːdəvɪʃɪən]	奥陶纪;奥陶系
	Geological period marked by the appearance of the first vertebrates and new marine invertebrates. Corals, sponges and mollusks were especially abundant. 以第一批脊椎动物和新的海洋无脊椎动物的出现为特征的地质时期。珊瑚、海绵和软体动物特别丰富。
3	agnathan	阿格那坦
	Jawless fish with a cartilaginous skeleton. Fish of this type still exist today (lamprey). 有软骨骨架的无下巴的鱼。这种鱼今天仍然存在（七鳃鳗）。
4	orthoceras	直角石属
	Aquatic invertebrate fossil with a shell and arms equipped with suction cups; it was the ancestor of the nautilus, squid and octopus. 水生无脊椎动物化石，壳和臂上有吸盘；是鹦鹉螺、鱿鱼和章鱼的祖先。
5	brachiopod [’brækiəpɑːd]	腕足类动物的一种
	Marine invertebrate fossil with a body protected by a bivalve shell. 海生无脊椎动物化石，身体由双壳动物保护。
6	Cambrian [’kæmbriən]	adj.[地]寒武纪的;威尔士的
	Geological period marked by the evolution of animals (appearance of mollusks, crustaceans) and the extinction of half of the marine invertebrates. 以动物进化（软体动物、甲壳类动物的出现）和一半海洋无脊椎动物灭绝为特征的地质时期。
7	trilobite [’traɪləbaɪt]	三叶虫
	Marine invertebrate fossil with antennae and a carapace divided lengthwise into three lobes; it disappeared in the Permian period. 有触角和甲壳的海洋无脊椎动物化石，纵向分成三个裂片；在二叠纪消失。
8	Precambrian	前寒武纪;前塞武层
	The oldest and longest geological era, marked by the formation of continents and the appearance of ocean life. 最古老和最长的地质时代，以大陆的形成和海洋生物的出现为特征。
9	cyanobacteria	蓝藻细菌
	Blue-green algae, among the first living microscopic organisms to appear on Earth. 蓝绿藻，地球上最早出现的微生物之一。
10	stromatolite	垫藻岩, 叠层石
	Stratified calcareous concretion formed by microscopic algae (s), testifying to the existence of the first life-forms more than 3?billion years ago. 由微藻形成的层状钙质结核，证明第一生命形式的存在超过3？十亿年前。

1	agnathan	阿格那坦
	Jawless fish with a cartilaginous skeleton. Fish of this type still exist today (lamprey). 有软骨骨架的无下巴的鱼。这种鱼今天仍然存在（七鳃鳗）。
2	brachiopod [’brækiəpɑːd]	腕足类动物的一种
	Marine invertebrate fossil with a body protected by a bivalve shell. 海生无脊椎动物化石，身体由双壳动物保护。
3	Cambrian [’kæmbriən]	adj.[地]寒武纪的;威尔士的
	Geological period marked by the evolution of animals (appearance of mollusks, crustaceans) and the extinction of half of the marine invertebrates. 以动物进化（软体动物、甲壳类动物的出现）和一半海洋无脊椎动物灭绝为特征的地质时期。
4	cyanobacteria	蓝藻细菌
	Blue-green algae, among the first living microscopic organisms to appear on Earth. 蓝绿藻，地球上最早出现的微生物之一。
5	Ordovician [ˈɔːdəvɪʃɪən]	奥陶纪;奥陶系
	Geological period marked by the appearance of the first vertebrates and new marine invertebrates. Corals, sponges and mollusks were especially abundant. 以第一批脊椎动物和新的海洋无脊椎动物的出现为特征的地质时期。珊瑚、海绵和软体动物特别丰富。
6	origin and evolution of species	物种的起源和进化〔1〕
	Since its formation some 4.6 billion years ago, the Earth has witnessed the genesis of continents and oceans and the appearance of animals and vegetation. 自46亿年前形成以来，地球见证了大陆和海洋的起源以及动物和植被的出现。
7	orthoceras	直角石属
	Aquatic invertebrate fossil with a shell and arms equipped with suction cups; it was the ancestor of the nautilus, squid and octopus. 水生无脊椎动物化石，壳和臂上有吸盘；是鹦鹉螺、鱿鱼和章鱼的祖先。
8	Precambrian	前寒武纪;前塞武层
	The oldest and longest geological era, marked by the formation of continents and the appearance of ocean life. 最古老和最长的地质时代，以大陆的形成和海洋生物的出现为特征。
9	stromatolite	垫藻岩, 叠层石
	Stratified calcareous concretion formed by microscopic algae (s), testifying to the existence of the first life-forms more than 3?billion years ago. 由微藻形成的层状钙质结核，证明第一生命形式的存在超过3？十亿年前。
10	trilobite [’traɪləbaɪt]	三叶虫
	Marine invertebrate fossil with antennae and a carapace divided lengthwise into three lobes; it disappeared in the Permian period. 有触角和甲壳的海洋无脊椎动物化石，纵向分成三个裂片；在二叠纪消失。