Oleanolic acid

[化] 齊墩果酸; 土當歸酸; 石竹素

?? 詞語組成解析

acid ['?s?d]
adj. 酸味的;尖刻的;酸的;酸性的; n. <化>酸;酸味物質;
acid尖,酸,銳利 →酸;酸的,酸性的

??? 情景例句

But it is not polite to ask older people their age.
但問老人的年齡是不禮貌的。
He took two weeks off in August.
他在八月份休假兩星期。
I'd like to invite you to dinner before you go. What about Thursday?
我想在你走之前請你吃飯。周四怎么樣?
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?? 更多 O 開頭的單詞

offertory ['?f?t?ri]
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