Verofylline
二氢二甲基甲丁基嘌呤二酮
🗣️ 情景例句
Have a good time.
好好玩。
Hardships never come alone.
祸不单行。
They were expecting a valuable parcel of diamonds from South Africa.
他们正期待从南非来的一个装着钻石的贵重包裹。