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。
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.
公路隧道暴露组的支气管上皮细胞比对照组具有更高的转录因子组分c - Jun的核表达。
Significantly higher nuclear expression of the transcription factor component c-Jun was found in the bronchial epithelium after exposure.
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