But often those who volunteer over-extend themselves and commit to doing more than is reasonable.
但有时候,人们志愿参加的活动超过了他们的能力范围,并做一些并不合理的事情。
2
According to Davis' scheme, the shoreline is being extended in a seaward direction because of the "land-building" role of mangroves, which, by trapping sediments over time, extend the shore.