eggshell
/ˈeɡʃel/ 43An eggshell is the hard covering on the outside of an egg. 蛋壳
noun [专属名词]蛋壳；薄而易碎的东西
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。
单词造句:
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。