由于树木变得稀少，他们不能再建造木制的独木舟来捕鱼，只好捕食鸟类。
As trees became scarce and they could no longer construct wooden canoes for fishing, they ate birds.
潘德亚说，如果有更多的人逃离家园，必需再建造一个营地来安置他们。
If more people flee, she says another camp will have to be built to accommodate them.
由于高度限制，没有操场再建造这种猴架，但是孩子们可以去小一些的攀岩墙、绳网和假山。
Because of height limitations, no one's building the old monkey bars anymore, but kids can go up smaller climbing walls and rope nets and artificial rocks.
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