英语词汇“sun leaf”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

sun leaf n. [apparently after German Sonnenblatt (1880 or earlier)] a leaf which has grown under conditions of high light intensity; contrasted with shade leaf.Sun leaves are typically smaller, thicker, and hairier than shade leaves, and have more veins and stomata.

ΚΠ

1890 Ann. Bot. 4 150 Variations in development of palisade-parenchyma according to the degree of exposure, as in the sun-leaves and shade-leaves of the Beech.

1942 New Phytologist 41 214 A sun leaf was exposed for 4 days to light periods of 16 hr. per day.

2005 E. H. Williams Nature Handbk. ii. 36 Leaves near the tops of trees are exposed to more sunlight and greater wind, so these sun leaves are smaller.., thicker, and hairier.

单词	sun leaf
释义	> as lemmas sun leaf sun leaf n. [apparently after German Sonnenblatt (1880 or earlier)] a leaf which has grown under conditions of high light intensity; contrasted with shade leaf.Sun leaves are typically smaller, thicker, and hairier than shade leaves, and have more veins and stomata. ΚΠ 1890 Ann. Bot. 4 150 Variations in development of palisade-parenchyma according to the degree of exposure, as in the sun-leaves and shade-leaves of the Beech. 1942 New Phytologist 41 214 A sun leaf was exposed for 4 days to light periods of 16 hr. per day. 2005 E. H. Williams Nature Handbk. ii. 36 Leaves near the tops of trees are exposed to more sunlight and greater wind, so these sun leaves are smaller.., thicker, and hairier. extracted from sunn.¹ < as lemmas
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