A population boom led to widespread food shortages of koalas.

考拉数量的上升导致考拉食物短缺。

Cities appeared in the desert. The population boomed to over 200 million.

城市出现在沙漠中。人口激增到两亿多。

Although the dog population boomed during the summer, it often crashed in the winter, when food became scarce.

虽然狗的数量在夏天激增，但在食物稀缺的冬天，狗的数量往往会暴跌。

Pair all of this with rising rates of construction in the desert… and population booms in cities like Phoenix.

这一切都与沙漠建设速度的上升以及凤凰城等城市的人口激增相结合。

But this wouldn't be the case for very long since Africa is currently experiencing the largest population boom in the world.

但是，这种情况不会维持太久，因为与世界上其他地方相比，非洲人口正在呈爆发性增长。

An increase in the amount of high calorie food led to a gradual population boom for the species.

高热量食物数量的增加导致该物种的数量逐渐增加。

By this point, just after the Revolutionary War, the city was experiencing a huge population boom and was trying to organize itself.

至此，就在革命战争结束后， 这座城市正经历着巨大的人口激增， 并试图自我组织起来。