The birds smashed into the top of their cages in fright.鸟儿惊恐地冲过去，撞到了笼子顶上。That does not necessarily mean that birds would chose anthocyanin - filled fruit.这并不一定意味着鸟类会选择含有花色苷的水果.It is best to stifle curiosity and leave bir...
You are either very young or an incurable optimist.你要么非常年轻，要么是个不可救药的乐天派。Poor old William is an incurable romantic.可怜的老威廉是个无可救药的浪漫主义者。He is suffering from an incurable skin disease.他患有无法根治的皮肤病。...