There were more casualties than was reported.
当然是 it was ；
than 在这里是连词，后面接 it was reported that there were ... ；
其实这一句的意思也可以这样表达：It was reported that there were some casulties, but actually there were more.；
what 在作为关系代词引导定语从句时，相当于“先行词 + 关系代词”；
在这一句当中，因为前面的 casuslties 是复数，what 则相当于 those which / that ，根据主谓语一致的原则，原句应为：there were more casualties than were reported；
句子的意思是：伤亡人员比报道的要多。
sharply是什么意思
sharply
[英][ˈʃɑ:pli][美][ˈʃɑ:rpli]
adv.
严厉地; 明确地; 锋利地; 突然地;
形近词：sharpedsharpensharpie
1
The daily toll of casualties has dropped off sharply.
每日伤亡人数已经大大减少。
casualties 音标是什么?
['kæʒjuəltis]
casualties是什么意思
casualties
n.伤亡者( casualty的名词复数 );牺牲品;受害者;毁坏物
[例句]Us and nato casualties in afghanistan are fast mounting.
美国和北约在阿富汗的人员伤亡正急剧增长。
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mass casualties是什么意思
mass casualties
[医]大量伤亡
The functioning of hospitals and access to health services is critical in order to respond to the mass casualties.
为应对大规模的人员伤亡，医院的运转和医疗服务的获得是至关重要的。
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survive 6 deathclw attacks with no casualties什么意思
survive 6 deathclw attacks with no casualties
6 deathclw袭击无人员伤亡生存
by ahair是什么意思及用法
应该是by air吧，意思是坐飞机，相当于by plane
例句：
Casualties had to be brought to hospital by air.
伤者不得不用飞机送往医院。
It's much faster to travel by air after all.
还是坐飞机快。
a bomb exploded 是什么意思
a bomb exploded
炸弹爆炸
双语例句
1
On Tuesday, a bomb exploded outside a Peshawar hotel, causing several casualties.
周二，一枚炸弹在白沙瓦一家酒店外爆炸，造成数人伤亡。
2
A bomb exploded in a quiet street, injuring several people, none seriously.
一颗炸弹在一条安静的街上爆炸，使许多人受伤，但无一重伤。