Dihydroxymaleic acid
[化] 二羟基顺丁烯二酸; 二羟马来酸
🧩 词语组成解析
🗣️ 情景例句
If you know a man's last name, address him as 'Mr.'.
如果你知道一个男性的姓， 应该用 'Mr。' 来称呼他。
Venture a small fish to catch a great one.
吃小亏占大便宜。
The most wonderful piece of machinery on show was Nasmyth's steam hammer.
其中最奇妙的是内史密斯的蒸汽锤。