Spiroborate
[化] 螺硼酸酯
??? 情景例句
I've got to call a caterer.
我應該給宴會承辦者打一個電話。
Youth looks forward and age backward.
青年人向前看，老年人向后看。
Thank you very much. It was nice to meet you.
非常感謝。見到你真高興。