河床

The most famous is of course the notorious Khyber Pass, which connects the country with Afghanistan.

山口两侧山梁各有一条小河发源，其河床构成开伯尔峡谷。

BRIDGE BOMBING \ 桥梁被炸 Residents crossed a river after a Khyber Pass bridge was destroyed Tuesday by Islamic militants in Pakistan, subsequently cutting a major supply line for Western troops in Afghanistan.

巴基斯坦的开伯尔山口大桥周二被伊斯兰武装炸毁，导致西方军队通往阿富汗的主要补给线路被切断。图为居民们在桥梁被毁后穿行河床。

The study said the silting-up and pollution of the Pasig River connecting Laguna de Bay with the sea on Manila Bay also obstructed the natural backflow of saltwater to nourish aquatic life.

研究报告中还提到，连接马尼拉湾与拉古那地湾湖泊的帕西格河因河床淤积与污染，使海水无法逆流为湖中生物带来养分。

DRIED OUT: A riverboat sat on the bottom of a dry tributary of the Amazon River in Manaus, Brazil, Monday.

干涸见底：巴西玛瑙斯境内的亚马逊河干涸见底，一艘轮渡停在河床上。

Lifestyle:Musk Turtles are uncommon, but may be abundant in certain locales on L.I. May only be on L.I. This species prefers slow moving, soft bottomed steams, rivers and canals.

生活方式：麝香龟是不同寻常的，但可能在某些特定的地方有丰富的种群，这个物种喜欢缓慢迁徙，柔软的河床等。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。