Erdmannite
复硅锆钡矿
🗣️ 情景例句
Second, we have to make an effort to encourage American companies to do business in our country.
第二，我们必须鼓励美国公司在我国开展业务。
Over 5,000 hours of work went into this software, and today it's my privilege to bring it to you.
这种软件的研制超过5000工作小时，今天我很荣辛地向你们展示它。
Hardly anyone can positively enjoy sitting in a train for more than a few hours.
很少有人能够真正喜欢坐几个小时以上的火车。