请注意看那些不大的接触区域(齿牙上暗灰色的点)。
Notice the small area of contact (dulled gray spot on tooth).
那只驼峰长约25英尺(8米)，肤色如大象背部略成暗灰色。
It was a hump about 25 feet (8 metres) long, covered with rough dark-grey hide like an elephant's back.
两个戴着可笑草帽的农妇神情庄重地牵着漂亮的暗灰色的毛驴走了过去。
Two peasant women with funny straw hats passed, gravely, leading beautiful smoke-colored donkey.
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