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- Occurring suddenly and severely. Used of a disease. 急性的，暴发的突然且很严重的发生。用于疾病
- Occurring suddenly or unexpectedly. 突然发生的突然或出乎意料地发生的
- Its adverse effects often occur suddenly and apperar in short time,wh... 过氧化氢不良反应发生突然,出现的时间短,可引起致命性严重后果。
- These rules can prevent to occur suddenness. 这些规则可以预防发生意外。
- Unless you are thoroughly prepared in all respects , you will be at a disadvantage in dealing with problems that occur suddenly. 除非你们在各个方面都做好了周密的准备，否则在对付突发问题时会处于不利地位。
- Please tell me the course of your blurring in detail. When did you notice the problem and did it seem to occur suddenly or gradually? 请详细讲一下发病过程。视力模糊是何时开始的，是突发的还是渐进的?
- You are sixteen going on seventeen,baby is time to think... ha ha ha ha this song just occur suddenly in my minddon't beat me mozart! 只要认真去体会，平凡的事也可能蕴藏很深的情意。单纯自在地去经历一切，无时无刻都能享受快乐和感动。
- Occurring suddenly, rapidly, and with great severity or intensity. 暴发性的忽然、快速和具极大危害或剧烈地发生的
- Not long afterward, the fall of Yerokhin occurred suddenly. 过了不久，叶罗辛突然倒台了。
- An extraordinarily high volume occurring suddenly in a downtrend signaling the end of the trend. 一个非常高的交易量在下降趋势中突然出现，是这一趋势结束的信号。
- An extraordinarily high volume trading session occurring suddenly in an uptrend signaling the end of the trend. 一个反常的高成交量交易部分突然在上升趋势中发生，预示着趋势的结束。
- Acute constipation occurs suddenly and may be due to appendicitis or to an intestinal obstruction. 急性便秘突然发生，可起因于阑尾炎或肠梗阻。
- In the other 143 patients occurring sudden arrest of heart beat outside hospital,only 2 survived (1.4%).Conclusions The patients should be performed def... 143例院外心搏骤停患者经送来医院,复苏存活仅2例(14%25)。
- He twisted up with a sudden stab of pain. 一阵突然的剧疼使他挺不起身来。
- Food shortage often occur in times of war. 战争期间常发生粮食短缺现象。
- The river opens out suddenly into a broad estuary. 江面忽然开阔起来，形成一个宽广的河。
- One who believes the millennium will occur. 千禧年信奉者相信千禧年会复活的人
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动，驶进了车流。
- The stream takes a sudden bend to the east. 小溪突然转向东流。
- Didn't it occur to you that he was lying? 你当时没想到他在撒谎吗？
