eggshell
n. 蛋壳;薄而易碎的东西
复数 eggshells
例句
Over time, the protein in the eggshell breaks down into its constituent amino acids.
随着时间的推移,蛋壳中的蛋白质分解成其构成成分氨基酸。
《柯林斯英汉双解大词典》
He broke the eggshell.
他打破了蛋壳。
This spongy tissue serves as a source of calcium for eggshell formation.
这种海绵状组织是形成蛋壳的钙质来源。