Xanthines
(xanthine 的第三人称 -s形式) n. 黄质, 黄嘌呤\\n[化] 黄嘌呤
🗣️ 情景例句
There are thirty-three thousand three hundred and thirty-three feathers on that bird's throat.
那只画眉鸟的喉咙上有三万三千三百三十片羽毛。
May I help you?
要我帮忙吗？
They stared at the huge tiger with awe.
他们敬畏地看着那头巨虎。