尽管起源还不确定，专家认为这主要是由该地区频繁的火山喷发所造成的。
Although the origins are uncertain, experts think that this is largely due to the high level of volcanic activity in the area.
这种浑浊是由角膜瓣下角膜组织的炎症反应所造成的。
This clouding can be caused by an inflammation under the flap of cornea tissue.
伟大人物决不为世界所遗忘，但伟大人物不是由逸乐，而是由苦难所造成的。
The world does not forget great characters. But great characters are not made of luxuries, they are made by suffering.
应用推荐