Orotic acid
[化] 4-羧基尿嘧啶; 乳清酸\\n[医] 乳清酸, 2,6-二氧嘧啶-4-甲酸
🧩 词语组成解析
🗣️ 情景例句
Oh. I have the key. Grandpa sent it to me.
啊。钥匙在这里。爷爷寄来给我的。
Business may be troublesome,but idleness is pernicious.
事业虽扰人，懒惰害更大。
Hmm! That's a bit expensive. Can I try them on, please?
嗯！就是贵了一点儿。我可以试穿一下吗？