Nonadecandioic acid

[化] 十九烷二酸

?? 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

He's working with me during the summer months as an intern.
在夏天的這幾個月到我這里來當實習生。
Peace with sword in hand, 'tis safest making.
居安思危，此乃萬全之策。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，歷史學家企圖重現遙遠的過去可是一項艱巨的任務，
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