Once the balance of nature is disturbed,it is.这里为什么不填非谓语形式disturbrd?

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Once the balance of nature is disturbed,it is.这里为什么不填非谓语形式disturbrd?

Once the balance of nature is disturbed,it is.这里为什么不填非谓语形式disturbrd?
Once the balance of nature is disturbed,it is.
这里为什么不填非谓语形式disturbrd?

Once the balance of nature is disturbed,it is.这里为什么不填非谓语形式disturbrd?
可以成为非谓语形式的:
Once disturbed,the balance of nature is likely to take at least 25 years to restore.
--------这里,Once disturbed 就是非谓语形式,代替时间状语从句Once the balance of nature is disturbed.

只是加了ed啊 你在想什么

1

同学,你说清楚点。单词貌似打错了了吧。这里就是应该用disturb的被动形式呀,没错的。