截止至今天正常交易收盘，美铝股价自今年以来已下跌33%，为30家道指公司中跌幅最大。
The shares dropped 33 percent this year through the close of regular trading today, the largest decline in the 30-member Dow.
卡鲁那指出，次贷危机发生至今已经六个多月了，信贷市场依然没有恢复正常运作。
Caruana says more than six months into the crisis, credit markets are still not functioning normally.
至今仍不清楚为什么饮酒能预防痴呆病，也许酒具有保持大脑血液正常流动的特性。
It's not clear why drinking guards against dementia, though it may be alcohol's capacity to maintain healthy blood flow to the brain.
美国福斯特惠勒公司设计的飞灰回燃装置经过较大改进后至今运行正常；
The Flying-ash recirculating Loop (namely the devices used for fly-ash returning back to the furnace) designed by Foster Wheeler Corp, has so far worked normally after great improvement.
四年过去了。至今，史密斯先生的新肾脏仍在正常地发挥着生理机能，他又回到了充满活力的生活当中，并对他的朋友永远心怀感激。
That was four years ago, and Mr. Smith's new kidney is still functioning and he is back to his active life, forever grateful to his friend.
长期工程应用表明，过渡曲线设计合理，导套至今工作正常。
Long practical application shows that the profile is proper and the guild sleeve works normally till now.
从正式观测至今，周至深井的数字化公用设备一直正常运转，保持着近100%的运行率。
Till present, the digital devices of the well runs normally, and keep 100% running rate.
去年至今年年初住房销量和建筑量虽大幅上升，但与正常水平相对略显萧条。
Home sales and construction are depressed relative to normal levels but rose substantially in early 2012 from the prior year.
其他一些预测，如宇航员在太空中正常活动时会突然按顺时针方向旋转这样令人可笑的想法至今未得到证实。
Others, such as the comic notion that space travelers would suddenly start to spin clockwise during normal motion in space, have not.
已退休钢琴老师多丽丝·斯托·格戴尔的冰箱从购买起，至今已连续使用58年了，但是仍然可以保持良好运作。这个冰箱也被认为是全英国最古老但仍正常运作的冰箱。
Retired piano teacher Doris Stogdale's refrigerator is still going strong 58 years after its purchase. The refrigerator is thought to be the oldest working one in the UK.
已退休钢琴老师多丽丝·斯托·格戴尔的冰箱从购买起，至今已连续使用58年了，但是仍然可以保持良好运作。这个冰箱也被认为是全英国最古老但仍正常运作的冰箱。
Retired piano teacher Doris Stogdale's refrigerator is still going strong 58 years after its purchase. The refrigerator is thought to be the oldest working one in the UK.
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