坚实 1.(坚固结实) solid; substantial 打下坚实的基础 lay a solid foundation; 迈出坚实的步子 make solid progress; 这条公路坚实平整。 this is a smooth, strongly built highway.2.(健壮) strong; staunch 身体坚实的人 a man of substantial build
The skeletons of ancient humans ? such as the well - known skeleton of lucy , which dates to about 3 . 2 million years ago ? give us a good idea of the build and the way of life of our ancestors 古人类的骨架是我们想像祖先体型与生活方式的坚实材料,例如著名的露西(她是320万年前的古人类遗骸) 。