Above him an invisible plane droned through the night sky.

在他头顶上空一架隐形飞机飞过夜空，不断发出低沉单调的声音。

《柯林斯英汉双解大词典》

This plane isn't only strong, but also mostly invisible to radar5.

这架飞机不但性能佳，雷达也几乎无法侦测到它的行踪。

youdao

This plane isn't only strong, but also mostly invisible to radar5.

这架飞机不但性能佳，雷达也几乎无法侦测到它的行踪。

youdao