Question

sustain vt.支撑,撑住,维持,持续 Beams and rafters sustain a roof––they keep it up. If you sustain a conversation over the course of hours, you keep it going during that time. If you sustain an injury, it means you are injured. If you sustain an interest in what you're studying, it means that you're just as excited about the subject after studying as you are when you began. 1[VERB 动词]使持续；保持 If you sustain something, you continue it or maintain it for a period of time.   [V n]  [V-ed]But he has sustained his fierce social conscience from young adulthood through old age...而他从青年时期一直到老年都始终保持着强烈的社会良知。The parameters within which life can be sustained on Earth are extraordinarily narrow.地球上生命可以存活下来的地域范围是非常狭小的。...a period of sustained economic growth throughout 1995.1995 年全年经济持续增长时期2[VERB 动词]经受；遭受；蒙受 If you sustain something such as a defeat, loss, or injury, it happens to you.   [V n]  [V-ed]  [FORMAL 正式]Every aircraft in there has sustained some damage...那里的每架飞机都受到了一些损坏。A seventeen-year-old tourist died late last night of injuries sustained in yesterday's bomb blast.一位 17 岁的游客在昨天的炸弹爆炸中受伤并于当天深夜身亡。3[VERB 动词]支持；支援；救济 If something sustains you, it supports you by giving you help, strength, or encouragement.   [V n]  [V-ed]  [FORMAL 正式]The cash dividends they get from the cash crop would sustain them during the lean season...从经济作物中获得的收益能帮助他们度过不景气的时期。I am sustained by letters of support and what people say to me in ordinary daily life...这些支持的信件和人们每天对我的鼓励一直支撑着我。Sustained by this wonderful breakfast, it was with restored morale that we re-boarded our plane.这顿丰盛的早餐补充了我们的体力，我们又精神焕发地登上了飞机。

Accepted Answer

[sə'stein] Sustain means to support something or keep it going. If you get hungry in the mid-afternoon, you might try snacking to sustain your energy through dinner. ★★★☆☆ 2006.0

英语单词	sustain
英美音标	[sə'stein]
中文释义	vt.支撑,撑住,维持,持续
vocab简明	Sustain means to support something or keep it going. If you get hungry in the mid-afternoon, you might try snacking to sustain your energy through dinner.
vocab扩展	Beams and rafters sustain a roof––they keep it up. If you sustain a conversation over the course of hours, you keep it going during that time. If you sustain an injury, it means you are injured. If you sustain an interest in what you're studying, it means that you're just as excited about the subject after studying as you are when you began.
柯林斯星级	★★★☆☆
柯林斯解释	1 [VERB 动词]使持续；保持 If you sustain something, you continue it or maintain it for a period of time. [V n] [V-ed] But he has sustained his fierce social conscience from young adulthood through old age... 而他从青年时期一直到老年都始终保持着强烈的社会良知。 The parameters within which life can be sustained on Earth are extraordinarily narrow. 地球上生命可以存活下来的地域范围是非常狭小的。 ...a period of sustained economic growth throughout 1995. 1995 年全年经济持续增长时期 2 [VERB 动词]经受；遭受；蒙受 If you sustain something such as a defeat, loss, or injury, it happens to you. [V n] [V-ed] [FORMAL 正式] Every aircraft in there has sustained some damage... 那里的每架飞机都受到了一些损坏。 A seventeen-year-old tourist died late last night of injuries sustained in yesterday's bomb blast. 一位 17 岁的游客在昨天的炸弹爆炸中受伤并于当天深夜身亡。 3 [VERB 动词]支持；支援；救济 If something sustains you, it supports you by giving you help, strength, or encouragement. [V n] [V-ed] [FORMAL 正式] The cash dividends they get from the cash crop would sustain them during the lean season... 从经济作物中获得的收益能帮助他们度过不景气的时期。 I am sustained by letters of support and what people say to me in ordinary daily life... 这些支持的信件和人们每天对我的鼓励一直支撑着我。 Sustained by this wonderful breakfast, it was with restored morale that we re-boarded our plane. 这顿丰盛的早餐补充了我们的体力，我们又精神焕发地登上了飞机。
来源	2006.0

Sustain Ed Means Verb 动词 [V N [V Ed