Ethyl malonate
[化] 丙二酸乙酯
🧩 词语组成解析
[化] 乙基\\n[医] 乙基
丙二酸
🗣️ 情景例句
Experienced, talented, retired.
有经验， 有才能， 退休了。
He is in difficulty in his business.
他在事业上遇到困难了。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。