Onychogenic substance
[医] 生甲物质
🧩 词语组成解析
[医] 生甲的, 长甲的
🗣️ 情景例句
It's good! It's this Sunday at 7.
好极了。宴会再本周日7点。
She never mends her clothes; they all have holes in them.
她从来都不补缀衣服。因此，衣服上到处都是破洞。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。