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A preliminary study on alteration of watercourse and improvement of the"secondary perched river" in the lower Yellow River 论黄河下游河道的改造与"二级悬河"的治理
secondary perched river 二级悬河
the secondary perched river 悬河
Brief discussion on the secondany perched river 略论二级悬河
A pigeon perched on our porch railing. 一只鸽子栖息在我们门廊的栏杆上。
The birds perched on the television aerial. 鸟停在电视天线上。
The small village perched on a hill. 这个小村庄位于山上。
The river had worn a ravine between the hills. 那条河在两山之间已造成一个深谷。
The pagoda is perched on top of the hill. 宝塔耸峙於山顶之上。
Can we dredge the river to make it deeper? 我们能不能把这条河疏浚得深一点？
The bird perched on a cedar by the window. 鸟栖息在窗前的雪松树上。
Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
The bird perched on the electric wires. 鸟栖息在电线上。
The police dredged up the parcel from the muddy river. 警方从浑浊的河水中捞出包裹。
Her age is of secondary interest. 她的年龄不太重要。
He has a new perch as president of the university. 他新任大学校长的高职。
A pregnant lady rescued him from the Suzhou River. 一个孕妇把他从苏州河救了起来。
The stone buildings perch on a hill crest. 那些石头房子座落在山顶上。
The river opens out suddenly into a broad estuary. 江面忽然开阔起来，形成一个宽广的河。
The bird took its perch on a tree branch. 鸟儿栖息在树枝上。