egg前面加an不加a。因为egg是元音开头，故加an。egg可作名词和动词，作为名词时，意思有“蛋”、“卵”、“鸡蛋”、“卵细胞”；作为动词时，意思有“怂恿”、“鼓励”。
egg的中文含义及用法介绍
1、作为名词时，意为(鸟类的)蛋;(鱼、昆虫等的)卵;(用作食物的)禽蛋;(尤指)鸡蛋;卵子;卵细胞。
例句：The female sits on the eggs until they hatch.
雌鸟伏在蛋上直到其孵化。
The fish lay thousands of eggs at one time.
这种鱼一次产卵数千个。
You've got some egg on your shirt.
你的衬衣上沾了些蛋。
The male sperm fertilizes the female egg.
雄性的精子使雌性的卵子受精。
It only takes one sperm to fertilize an egg.
只需要一个精子就能让卵子受精。
2、作为动词时，意为怂恿;鼓励。
例句：He hit the other boy again and again as his friends egged him on.
他在朋友的煽动下一次又一次地打了另一个男孩。
The other boys egged him on to fight.
其他孩子怂恿他去打架。
His wife egged him on to buy a color television camera.
他的妻子怂恿他买部彩色电视摄像机。
Indeed it egged on the integration of financial markets that spurred the financing.
实际上欧洲央行鼓励金融市场一体化刺激了融资。
