Risic acid
[化] 日斯酸
🧩 词语组成解析
🗣️ 情景例句
I'd better unpack.
我还是先把行李打开吧。
'Tis altogether vain to learn wisdom and yet live foolishly.
枉自学聪明，却做愚蠢事。
Up to the time of his death, Richard Colson was one of the most notable figures in our town.
理查德。科尔森生前是我们镇上最有名望的人之一。