小秃鼻乌鸦

Of course there ought to be jungle-cats and birds of prey and other agencies of sudden death to add to the illusion of liberty, but the bird's own imagination is capable of inventing those ---- look how a domestic fowl will squawk an alarm note if a rook or wood pigeon passes over its run when it has chickens.

当然，还要有丛林猫和其他猛禽，还要有其他能造成突然死亡的各种力量来增加自由的假象。可是当然了，鸟类自身的想象力也能创造出这些东西来——比如，家养的笨鸡在带小鸡雏时，一发现有秃鼻乌鸦或旅鸽经过它和孩子们经常出没的地方，就会发出尖声警报。

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。