On the Eurasian and American landmasses, when several hundred thousand waterfowl suddenly take to the air, they fill the sky like a cloud--so they make an excellent target for hunters to shoot at.
在亞、美大陸塊上，幾十萬隻水鳥，突然由棲息處振翅騰飛，好似大片烏雲遮蓋天際，也因此成為射獵的最好目標。