vt. 1.支撑，支持。 2.补养；维持；加强，鼓舞；使…持续；养(家)。 3.遭受；忍受，忍耐。 4.证明，证实；(法庭等)确认，承认，认可；准许。 5.能胜任；能扮演(角色)，善于表演(性格)。 6.抵挡。 短语和例子 food sufficient to sustain life 足够维持生活的食物。 sustain a defeat 吃败仗；受挫折。 sustain an injury 负伤。 sustain a great loss 蒙受重大损失。 sustain comparison with another 能和别人相比而无逊色。 sustain the objection 容纳异议。 sustain one's role 能扮演所担任的角色。 The sea wall sustains the shock of the waves. 海堤能抵挡海浪的冲击。 n. -ment
undergo (as of injuries and illnesses); "She suffered a fracture in the accident"; "He had an insulin shock after eating three candy bars"; "She got a bruise on her leg"; "He got his arm broken in the scuffle" 同义词：suffer, have, get,
establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant" 同义词：confirm, corroborate, substantiate, support, affirm,
admit as valid; "The court sustained the motion"
supply with necessities and support; "She alone sustained her family"; "The money will sustain our good cause"; "There''s little to earn and many to keep" 同义词：keep, maintain,
provide with nourishment; "We sustained ourselves on bread and water"; "This kind of food is not nourishing for young children" 同义词：nourish, nurture,
be the physical support of; carry the weight of; "The beam holds up the roof"; "He supported me with one hand while I balanced on the beam"; "What''s holding that mirror?" 同义词：hold, support, hold up,
lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work" 同义词：prolong, keep up,
In music, sustain is a parameter of musical sound over time. As its name implies, it denotes the period of time during which the sound remains before it becomes inaudible, or silent.
例句与用法
1.
The seawall sustains the shock of the waves . 海堤是能抵挡海浪的冲击。
2.
The sea wall sustains the shock of the waves .. 海堤能抵挡海浪的冲击。
3.
Can harvests of this intensity be sustained ? 这种收获强度能维持下去吗？
4.
If he trips, he must be sustained . 如果他跌倒了，就把他扶起来。
5.
Heterozygosity is sustained by two methods . 异质型可以由二种方式来证明。
6.
The pillars sustain the roof of the pit . 坑道顶用柱子支撑着。
7.
The ship sustained damage to her bottom . 这艘船的船底已损坏。
8.
The pillars sustain the roof of the pit . 坑道顶儿用柱子顶着。
9.
The escarpments are sustained by rock . 这些垅岗由岩石构成。
10.
She was sustained by a religious hope . 宗教的信仰支持着她。
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