Pentaethylated
五乙基化的
🗣️ 情景例句
He looks a lot like you, Mom. He does.
他像你， 妈妈。他像 。
Yes, you can. Would you please show me your card?
可以，让我看看您的卡。
The quiet life of the country ahs never appealed to me.
宁静的乡村生活从来没有吸引过我。