科技股票已经表现得很糟糕了。
我们有应变计划。
保险丝烧断，灯都灭了。
They have two teenaged daughters.
他们有两个十几岁的女儿。
Infrared detectors have many uses.
红外探测器有多种用途。
Glucose and fructose have the same chemical formula but have very different properties.
葡萄糖和果糖具有相同的化学分子式但有很不同的特性。
Modern trains have automatic doors.
现代火车都有自动门。
Investigations have ground to a standstill because no witnesses have come forward.
调查已陷入一种停滞状态，因为没有证人出来作证。
Considerable efforts have been made to rehabilitate patients who have suffered in this way.
为使受这种苦的病人康复已经付出了相当大的努力。
The marshes have been drained.
沼泽地里的水已排干。
Prices have risen but wages have not risen proportionately.
物价上涨了，但是工资并没有相应增加。
The floodwaters have now receded.
洪水现已消退。
They have uncannily similar voices.
他们有着出奇相似的嗓音。
I have a manicure occasionally.
我偶尔会做一次手甲护理。
To enable rental increases, you have to have luxurious furnishings.
为能实现租金增长，你得有豪华的室内陈设。
The trouble is that these restrictions have remained while other things have changed.
问题是，虽然其他事情已经改变，这些限制却依旧存在。
You have to have a lot of stamina to be a top-class dancer.
你得很有毅力才能成为一名顶级舞蹈家。
I have known cases where dogs have nipped babies.
我知道一些狗咬婴儿的事例。
利润原地踏步。
Attitudes have changed radically.
态度发生了根本的变化。
两名犯人逃走了。
Building costs have nosedived.
建筑费用猛跌下来。
Prices have fallen dramatically.
价格突然暴跌。
价格涨得吓人。
今年销售量锐减。
Their economic prospects have dimmed.
他们的经济前景变得暗淡了。
These figures have been disputed.
有人对这些数字提出了质疑。
Discussions have once again stalled.
讨论再次停顿下来。
Repossessions have frightened buyers off.
收回未付款商品的举动吓跑了买主们。
His achievements have exceeded expectations.
他的成就出乎预料。
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