marsh 四级六级雅思GRE

Helophyte A perennial marsh plant that has its overwintering buds under water.

多年生沼物，具有水下越冬芽。

Helophyte A perennial marsh plant that has its overwintering buds under water. An example is bulrush(Typha).

多年生沼物，具有水下越冬芽。例如芦苇（香蒲）。

However, on the saltmarsh, peck current velocity values only appeared during the flood phase, except when marsh vegetation wilting.

盐沼（物生长期）流速过程具有“单峰型”特点，仅在涨潮初出现峰值。

The dangers can be seen all too clearly in remote villages like Longuchuk, near the oil-rich Sudd marshes of Upper Nile state.

在临近上尼罗河州Sudd沼丰富，如Longuchuk这样偏远村庄，所有危险清清楚楚。

This novel was writen in his later lifePip, a boy of the marshes, is being "raised by hand" by his shrieking harridan of an older sister and her seemingly doltish husband, the blacksmith Joe Gargery.

本书介绍了匹普是个穷苦乡下孤儿，由泼辣姐姐和诚实厚道姐夫，铁匠乔抚养大。