Scientists think this is the plants' way to prevent the spread of any tree diseases and make life more difficult for leaf-eating insects like caterpillars.

科学家认为，这是植物防止树木疾病传播的方法，并给像毛毛虫之类的食叶昆虫制造些生存上的困难。

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Eucommia ulmoides gum is a crystalline particle existing in the bark and leaf of Duzhong tree.

杜仲胶是杜仲树树皮和叶片中存在的一种结晶颗粒。

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Life is like a trace of roaming cloud, and also like a piece of fallen leaf; cloud perched with sky is transient and leaf depended on tree is in a rush.

人生如同一丝游云，一片落叶；云与天宇的相栖是暂短的，叶与树相依是匆匆的。

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The tree sap in early spring; the new-born green leaf, soft and fresh as skin;

VOA: special.2010.02.27

He stayed up all night and counted every leaf on the tree and it came very close to what Rituparna said, so he--the next morning-- believed Rituparna.

他彻夜未眠,数了树上的每一片叶子,发现结果和睿都巴若那所言相差无几,所以他在...第二天早晨...,相信了睿都巴若那

耶鲁公开课 - 金融市场课程节选

Simpson's defense attempted to suggest Wednesday hair analysis is so vague it is like picking up a leaf and attempting to tell which tree it fell from.

CNN: June transcripts arranged by date.

Physically, where Western classical ballet is grounded in five numbered positions for the feet, Khmer's ballet has its foundation in four key hand positions, all articulated by seemingly boneless fingers and named for aspects of nature: tree, leaf, flower, fruit.

WSJ: Cambodia's Cultural Crown Jewel | Royal Ballet of Cambodia | Brooklyn Academy of Music | By Robert Greskovic

One of the guides chops down a huge leaf from a pandanus tree with a machete and demonstrates some of its uses.

BBC: The perfect trip: Thailand��s islands