如果这座桥被汽车挤满,估计它仍然只能承受它极限载重的三分之一.
我认为此处强调的是进行时,就是指汽车挤满桥梁的这个情况正在发生的时候.
现在时一般用在普遍发生的事情上,不包括特殊情况,所以用进行时比较好一点,用现在时也不应算错.
It has been estimated that if the bridge were packed with ca
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