Pentaborate
五硼酸盐
🗣️ 情景例句
Have gone to the railroad station.
去火车站。
Yes. And while I think of it, please ask when you want to borrow my records/CDs.
是的。还有，随便想起一件事，要是你想借用我的唱片，请先问一声。
Yes, it is.
是的。