Michaelsonite
复硅锆钡矿
🗣️ 情景例句
We're interested in importing a complete bottling machine for exhibit and sale.
我们有兴趣进口一整部装瓶机，以备展示和销售。
One way or a round trip ticket?
单程票还是双程票呢？
One morning the tiger was very, very hungry.
一天早上老虎饿极了。