marsh 四级六级雅思GRE

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

多年生的沼泽物，有水下越冬芽。

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

多年生的沼泽物，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.

在临近上尼罗河州的Sudd沼泽油源丰富，如Longuchuk这样偏远的村庄，所有的危险清清楚楚。

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的乡下孤儿，由泼辣的姐姐和诚实厚道的姐夫，铁匠乔抚养大。