When an insect brushes against them, this triggers a tiny electric charge, which travels down tunnels in the leaf and opens up pores in the tear's cell membranes.

当一只昆虫与它们擦身而过时，就会触发一种微小的电荷，电荷沿着树叶里的隧道向下移动，并打开泪液细胞膜上的小孔。

youdao

The aim is to study the organic acids in the leaf of Cerbera manghas L.

目的是研究海芒果叶中的有机酸。

youdao

A pigment produced as a result of a complex reaction between proteins and sugars in the leaf.

这是作为叶子中蛋白质和糖分之间复杂反应的结果而产生的一种色素。

youdao

For the first row nearest the fans, they generally suggested trees that lose their leaves in the fall or trees with waxy leaf surfaces.

VOA: special.2009.09.08

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

VOA: special.2010.02.27

In eighty ninety-nine, Stark published the song "Maple Leaf Rag."

VOA: special.2010.01.24

In the thick forest-savannah mosaic of northern Congo, many days' walk from any tarmac, your correspondent unearthed a milestone, half-buried in the leaf-litter, pointing to the small town of Badai, 15km to the east.

ECONOMIST: Seeing the wood

This releases an alkaloid in the leaf.

BBC: Transcript: Cocaine: Alex James in Colombia

A. In addition to the coverage provided under the existing Nissan New Electric Vehicle Limited Warranty, this expanded warranty applicable to LEAF vehicles in the United States will protect against capacity loss in LEAF batteries that falls below nine bars, of the available 12 bars displayed on the vehicle's battery capacity gauge, for the first 5 years or 60, 000 miles, whichever comes first.

ENGADGET: Nissan upgrades US Leaf warranties, will 'restore' batteries that lose too much charge