Sediment is thin on the west side with an average thickness of less than 5 km, while it is as thick as 6 km on the east side.是什么意思_Sediment is thin on the west side with an average thickness of less than 5 km, while it is as thick as 6 km on the east side.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句