They are intermediate hosts of lung flukes.

他们为肺癌吸虫的中间宿主。

A gut is present, and most of these flukes are monoecious .

肠道存在，这些吸虫的大多数是雌雄同体的。

Or maybe it's going to be nothing and those past breakthroughs were just flukes.

也许什么也不会出现。过去的那些突破都是侥幸。

Or maybe it's going to be nothing and those past breakthroughs were just flukes .

也许什么也不会出现。过去的那些突破都是侥幸。

The newborn's flukes and dorsal fin are curled initially but soon become straight and rigid.

新生儿的背鳍和尾鳍刚开始成捲曲状，但很快就会伸展开且定型。

Yes! Although there was a lot of flukes during the standstill performance, the performance was still the best!

是！虽然有很多吸虫在停顿的业绩，表现仍是最好的！

They're found on ribs, vertebra, tail flukes and flipper bones, and some of them are over 9 inches long and in some cases, 3 inches deep.

在鲸的肋骨、脊椎骨尾叶和鳍肢骨上都有发现这些沟痕，有些长近9英寸有些深度近3英寸。

This transition to living in the sea involved changes from paddling with limbs to undulating the body to oscillating a tail, such as the horizontal tail flukes in modern whale species.

这种转变包括从用前肢划水到身体波动再到尾巴摆动，就像现代鲸鱼的水平尾鳍。