英汉例句双语例句Patterns in Nature: Butterflies Colorful gerbera daisies highlight the rich coloration of a spicebush swallowtail butterfly (Papilio troilus).蝴蝶在自然界的模式。华美的大丁草雏菊突出其富有的染色――西美腊梅燕尾蝴蝶。papilio troilus更多例句