Streptostacin
链球菌素
🗣️ 情景例句
So to speak.
可以那么说。
As the touchstone tries gold, so gold tries man.
试金石可以试金，正如黄金可以试人。
They spent a full and very enjoyable morning together, and Fred discovered that he had a gift for making a visit interesting and lively.
他们一起度过了一个充实而又非常愉快的早上，弗雷德发现自己具有导游的才能，能使参观活动变得趣味盎然。