查询词典 placoderms

In the lower center, box-like armored placoderms belonging to the genus Bothriolepis cruise slowly over the muddy bottom in order to feed on detritus.

在河底，两条盾皮鱼正在刮取食物。

Importantly, recent analyses8 have begun to reveal new relationships between early vertebrates, in which acanthodians and placoderms are scattered among the early divisions of gnathostome evolution; acanthodians, in particular, are cropping up on chondrichthyan and osteichthyan stem groups.

有颌类包括硬骨鱼类以及软骨鱼类。软骨鱼类仅占有颌类物种数的2%，其余98%的有颌类都属于硬骨鱼类。在硬骨鱼类中，大约一半是辐鳍鱼类，剩余的统称肉鳍鱼类。辐鳍鱼类包括从斑马鱼到多鳍鱼的大约2万8千个种。

The newfound mother fish measures 10 inches (25 centimeters) long, but other placoderms can grow to 20 feet (6 meters)-"some gargantuan in size," Long said.

新发现的这条母鱼有10英寸（25厘米）长，但其他的placoderms可以长到20英尺（6米）--&相当庞大的体型&Long说。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。