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
Industry spokesmen have stated that there's no threat posed to the environment.
工业发言人说他们没有对环境构成威胁。
My cell phone's out of batteries.
我手机没电了。
Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;
在工业部门工作和在军队中服役的许多人对噪音有切身的体会，他们认为对这个问题进行调查是浪费时间，