Cinnamalmalonic ester
[建] 肉桂叉丙二酸酯
?? 詞語組成解析
n. 酯\\n[化] 酯
??? 情景例句
He is an orphan, so he is not sure which family name he should have.
他是個孤兒，因而不知道他自己姓什么。
Who would you name as the greatest poet of our time?
你認為當代最偉大的詩人是誰？
Why? English is the first language in none of these countries.
為什么？在這些國家中英語都不是第一語言。