查询词典 hesitatingly

In a few decades, humanity went from a handful of single-pilot biplanes hesitatingly venturing a few hundred feet above the ground to jet planes, supersonic flight, and regular commercial flights to all corners of the globe.

短短几十年，人类就将蹒跚冒险于地面上空几百英尺的单座双翼飞机发展到喷气式飞机、超音速飞机和能抵达全球各个角落的经常性商贸飞行。

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。