他走马观花地带过早期的罗马时代，有几处顺势拐笔探索了一下中世纪城邦的重要性或是威尼斯这一光荣的分支。
He canters through the early years, with a few diversions to explore the importance of city-states in medieval days or the glorious offshoot that was Venice.
尽管如此，早期的花朵似乎也靠昆虫来传递花粉，随着充当花媒的昆虫的增加，开花植物全面开花的日子也就到来。
Nonetheless, the earliest flowers appear to have been pollinated by insects, and the full-scale blossoming of flowering plants coincides with the rise of animals as go-betweens.
从现在起到5月底晚，霜冻仍然随时可能会来，所以起绒布要备在手边以保护果树的花和早期的土豆苗。
Late frosts can still strike anytime between now and the end of May, so fleece will be at hand to protect fruit blossom and early potatoes.
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