The illustrations are strictly illustrative of the text.这些插图是严格地解释正文内容的.The ozone provisions are illustrative.那些有关臭氧的条款都是说明性质的.His illustrative examples are almost invariably warmed over from other writings.他举的例子几乎全是从别的著...
He gave his girlfriend a sapphire engagement ring.他送给女友一枚镶着蓝宝石的订婚戒指。Now let us consider crystals such as diamond or sapphire.现在让我们考虑象钻石和蓝宝石这样的晶体.He left a sapphire ring to her.他留给她一枚蓝宝石戒指....