1. When wine is fermented, it gives off gas.
   酒发酵时发出气泡。
2. The flowers give off a heady scent at night.
   这些花晚上散发出醉人的芳香。
3. The skunk gives off an unpleasant smell when attacked.
   受到攻击时臭鼬会发出一种难闻的气味。
4. When nitric acid is poured on copper, a brown vapor gives off.
   将硝酸倒在铜上, 会散发出一种棕色的蒸气。
5. When the electric stove is turned on, the burners give off a red glow.
   电炉一点燃，炉心就发出炽热的红光。
6. It usually gives off abnormal communicating branches, which should be evaluated before embolismic operation of maxillary artery.
   眼动脉起源存在变异及异常交通支，在行上颌动脉栓塞前要评估是否存在这些变异。
7. I don’t know how you can stand up and give an after-dinner speech off the cuff like that.
   我不知道你是怎么做到站起来就能即兴做餐后演讲的。
8. Welds makes up in the process the substrate not to give off heat, not to distort, the unstressing, does not have the hard spot and the annealing situation.
   世界第一台铸造缺陷修补机的研制成功，给铸造缺陷修复带来了一次彻底革命！焊补过程中基体不发热、不变形、无应力、无硬点及退火情况。

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