Downrange
a. 发射中心和沿着试验航向的\\nadv. 发射中心和沿着试验航向地
🗣️ 情景例句
I do his taxes every year.
我每年为他处理税务。
From 4 to 4:30.
四点到四点半。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，