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1·It's a bit like orangutans do, reaching their arms up to branches to brace themselves as they move along.

他们向前走时，有点像猩猩一样，伸着胳膊，抓着树枝支撑自己。

2·Right now I am walking with a brace and crutches, but at least I am able to get around a little bit.

现在我需要借助拐杖走路，虽然不是很灵便，但至少我可以到户外活动一小会儿。