Ureous acid
[化] 黄嘌呤
🧩 词语组成解析
🗣️ 情景例句
He did it as a special favor.
他做这事算是特别照顾。
He took a strong attitude towards her.
他对她采取强硬态度。
I could see no valley, no farms, no cottages and no church spire -- only a lake.
可现在我却看不出山谷，看不见农舍，也看见教学尖顶，看见只是一片湖泊。