Anhydride of santonic acid
[机] 山道酸酐, 山道年
🧩 词语组成解析
[化] 酸酐; 酐; 某酐\\n[医] 酐, 脱水物
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Do you accept credit cards?
你们接受信用卡吗？
Every country has its customs.
乡有乡俗。
You've done very well and made lots of progress.
你功课学得很好，进步很大。