Xanthydrol
(=9-hydroxyxanthene)吨氢醇, 9-羟基吨
🗣️ 情景例句
You and Mom haven't had dinner together with us
你和妈妈没有和我们一起吃晚餐
Meat is almost more precious than money!
肉贵得买不起了。
He waved desperately to his companion, who had been water skiing for the last fifteen minutes.
他绝望地向他的伙伴挥手,他的伙伴在过去的15分钟里一直在滑水。
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