Undecylene dicarboxylic acid

[化] 十三碳烯二酸; 十三碳一烯二酸

?? 詞語組成解析

undecylene
十一碳烯
dicarboxylic
[化]二羧基的
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

Mama, what are they doing to me? Help!
媽媽 ,他們在對我做什么? 救命呀!
There's many a good tune played on an old fiddle.
老當益壯。
Is it cold or warm in autumn?
秋季的天氣是冷還是暖呢?
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?? 更多 U 開頭的單詞

unsullied [??n's?lid]
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