She looked round to the side from whence the voice came, and saw a frog stretching forth its big, ugly head from the water.
她一边四处张望，想从那里来的声音，并看到了一只青蛙伸展了它的大，从水里抬头。
Actually, in the tube engineering, the proportion of the loss of local water head in the loss of pipeline water head is big.
在实际管道工程中，阀门阀道的局部水头损失占管路水头损失的比例是相当大的。
What's more, the head of that water monster was way too big to be only a large cluster of these insects swimming together.
而且，刚才那个水中怪影的头部太大了，不像是一群水虱游在一起能形成的效果。
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