Yet the sharks lacked cone cells, which respond individually to light at specific wavelengths. In human eyes, a variety of cone cells helps us to distinguish between colors.

但鲨鱼缺少圆状细胞，这种细胞可以对不同波长的光线分别作出反应。在人类的眼睛里，各种各样的圆状细胞帮助我们分辨颜色。

youdao

The most affected country in the Southern Cone is Argentina, with the second-highest number of swine-flu-related deaths in the world (after the US) and 70% of the deaths in the Southern Cone.

阿根廷是南锥地区受疫情感染最为严重的国家，其猪流感死亡病例在全球排行第二(紧随美国之后)，南锥国家70%的猪流感死亡病例都来自这个国家。

youdao

But no cone cells were observed in 10 of the 17 species, while only one type of cone cell appeared to be present in the other 7.

但是17种鲨鱼中有10种都没有视锥细胞，其他7种鲨鱼也都只具有一种单一的视锥细胞。

youdao

This makes it hard, for instance, to compare real-time video images (from a camera in the nose-cone of a missile, for example) with a set of several thousand targets (pictures of enemy aircraft, say), because all the targets have to be tested within a thirtieth of a second, the duration of a single frame of video.

ECONOMIST: Optical recognition

The improved bass and low-mid response we noted in our review falls in line with iFixit's confirmation that the new driver in each Pod is made with a paper speaker cone -- in contrast to the plastic used on the older model.

ENGADGET: Apple's EarPods get the iFixit teardown treatment, found to basically be earbuds

"It does, " agreed Waxman, thereby opening the door to a line of argument in which he found himself suggesting--apparently in all seriousness--that U.S. citizens might have to purchase a government-issued, Maxwell Smart-like "cone of silence" before making a speech in a public park.

CNN: Free Speech On The Net At The Supreme Court