滩涂

They crawl around beaches and mudflats using tiny structures along the sides of their bodies that work like legs, but are in fact gills.

它们依靠身体两侧的组织在滩涂里到处爬走，这些组织功能上像是肢足，其实是鳃片。

Hm^2 by 2005 and it had formed a large area of mono-dominant community. During this same period, the area of the P. australis community decreased significantly, mainly due to the influences of wetland reclamations in 1998 and 2001, and the invasion of S. alterniflora.

受1998年和2001年两次高滩围垦和互花米草入侵影响，崇明东滩的芦苇群落面积大大减少，虽随着滩涂的淤涨，芦苇群落的面积逐年有所增加，但增加的速度缓慢。

These results provided a reference for screening of S.patens mutant lines adapting to seashores in the east of China.

这为适合我国沿海滩涂生长的优良狐米草牧草突变系筛选提供了依据。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。