Few fossilised human foot bones have been found.
发现的人类脚部骨骼化石很少。
Each claw of the footprint is about the size of an average human foot.
这脚印中每个爪子的大小跟人脚差不多大。
He was the first human being to set foot on an extraterrestrial world.
他是第一个人上设置一个外星世界英尺。
The division of labor of hand and foot, it is a milepost of human evolution.
手与脚的分工，是人类进化的一个里程碑。
The most common human body part that gets bitten by insects is the foot.
给昆虫叮咬的最常见的人体部位是足部。
The first human to set foot on the moon.
人类第一次踏上了月球。
The first human to set foot on the moon.
人类第一次踏上了月球。
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