Rheic acid
[化] 大黃根酸\\n[醫(yī)] 大黃酸, 大黃酚
?? 詞語組成解析
??? 情景例句
Fine. How much would you like to exchange, sir?
好的。您要兌換多少呢，先生？
She's gone; my heart's broken.
她棄我而去；我心碎無聲。
I waited till he came near, then I asked him the way to our old village.
等他走近了，問他去老家的路。