英语语法分析

Icebergs afloat today are made of snowflakes that have fallen over long ages of time.

今天漂浮在水面上的冰山由很多年前降落的雪花形成。

The Amery Ice Shelf appears to be uniquely suited to the production of green icebergs.

埃默里冰架似乎是唯一适合形成绿色冰山的地方。

Icebergs are ordinarily blue to white, although they sometimes appear dark or opaque because they carry gravel and bits of rock.

冰山一般是蓝色到白色，尽管有时因为携带了砾石和小岩石而变成黑色或者不透明。