Methanedicarboxylic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
This has to be the most scenic spot in the country, if not the world.
这儿就算不能称之为世界上最优美的景点，也可以称得上是这个国家最美的地方了。
The child embarrassed me by asking unexpected questions.
那小孩问了些出乎意料的问题使我困窘。
He was obviously very nervous and for some minutes stood awkwardly before the microphone.
他显然非常紧张，局促不安地在麦克风前站了好几分钟。