nervure
['nə:vjuə]
n. [植]叶脉, [动]翅脉
例句与用法：
His conduct is a mere cover-up for his nervousness.
他的行为只是为了掩护他的紧张。
His nervousness was obvious right from the start.
他从一开始就显然十分紧张。
An outward show of confidence concealed his nervousness.
他表现出很有信心的样子以掩盖内心的紧张。
He laughed to cover (ie hide) his nervousness.
他哈哈大笑以遮掩紧张的心情。
详细释义：
n.
1. 【植】叶脉
2. 【昆】翅脉