Alpha-naphthol test
un. 萘酚试验
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
n. 萘酚\\n[化] 萘酚; (大写)色酚
🗣️ 情景例句
How much does it weigh?
它多重？
I feel blue at the news.
我听到这消息而闷闷不乐。
when he knew that he was dying, he made me promise to go on my own.
他知道自己已奄奄一息，于是他要我答应一定单独回故乡一趟。