单词：cams
n. 凸轮（cam的复数）
n a river in east central England that flows past Cambridge to join the Ouse River
n a rotating disk shaped to convert circular into linear motion
n a rotating disk shaped to convert circular into linear motion
单词：cams 相关文章
This is a high-risk strategy. Like the male at the whale carcass, some bears don't do sharing. She stands up to make herself look bigger. The cub copies. Luckily, this bear has no appetite for a fight. There is a feeding etiquette around a seal carca
发表于:2018-12-26 / 阅读(130) / 评论(0)
自然百科2010年
自然百科2010年