雞蛋egg是可數名詞嗎

例句：

Eggs are graded from small to extra large.

雞蛋從小號到特大號分成不同等級。

The fish lay thousands of eggs at one time.

這種魚一次產卵數千個。

The female must find a warm place to hatch her eggs.

母的.必須找個溫暖的地方孵蛋。

They were left with egg on their faces when only ten people showed up.

只有十人到場，他們感到很丟面子。

Immediately after fertilization, the cells of the egg divide.

卵受精後細胞立即開始分裂。