Heatshield
（太空飞船返回地球时用的）挡热板
🗣️ 情景例句
Today's exchange rate is 170.8.
今天的兑换率是一百七十点八。
You've already quoted a price of $ 800 per 1,000. Is there a discount for larger orders?
你报的价是每1000个要美金800元，如大量订购有折扣吗？
Let's move on to what makes our product sell so well.
让我来说明是什么原因使我们的产品销售得那么好。