Pentadecalactone
[建] 十五酸内酯
🗣️ 情景例句
is no longer in service.
是空号。
Cheer up!
高兴起来!振作起来!
It was true that he had just bought a lamb, he explained, but his lamb was black.
不错，他的确刚买了一只羔羊，阿列科解释说，但他的羔羊是黑色的。