Santar
黄色氧化汞
🗣️ 情景例句
Well, how're you been, Philip?
嗯 ，这些年来怎么样， Philip？
Come on, honey.
过来，亲爱的。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。