vt. 维持;支撑,支持;遭受,忍受;供养
网络 维持; 持续; 延音
Which planets can sustain life?
哪些行星可以维持生命的存在?
The ice will not sustain your weight.
这冰承受不了你的体重。
The cash dividends they get from the cash crop would sustain them during the lean season.
他们从经济作物中得到的那些现金红利能支撑他们度过歉收季节。
The pillars sustain the roof of the pit.
坑道顶用柱子支撑着。
It takes a great deal of effort to sustain.
这需要付出很大的努力来维持。