The unusuallyhigh mortality rate among dolphin calves in the industrially contaminated waters along Florida's Gulf Coast is probably the result of their being poisoned by their mother's milk.
在佛罗里达海湾沿岸被工业污染的水域中，海豚幼崽异常高的死亡率可能是被它们母亲的乳汁毒害的结果。
2
This year water levels in the middle and lower reaches of the Yangtze are unusuallyhigh.
今年长江中下游的水位高得不正常。
《柯林斯英汉双解大词典》
3
They say that these prison numbers are unusuallyhigh and ask why it is the case.