gravel bottom的意思

gravel bottom中文翻譯：

礫石底

相似詞語短語

gravel───n.(Gravel)人名；(英、法、西)格拉韋爾；n.碎石；砂礫；vt.用碎石鋪；使船擱淺在沙灘上；使困惑

bottom───n.(Bottom)人名；(英)博頓；vi.到達底部；建立基礎；vt.裝底；測量深淺；查明真相；adj.底部的；n.底部；末端；臀部；盡頭

gravel lock───碎石閘

gravel rash───礫石皮疹（非正式）

clingstone gravel───粘石礫石

gravel binder───礫石粘結劑

aquarium gravel───水族館礫石

tamping gravel───夯實碎石

gravel pack───礫石過濾層

雙語使用場景

They scoop up insects and larvae, shellfish, and worms in their bill along with bits of gravel and mud from the bottom.───它把昆蟲和幼蟲、貝類動物以及蠕蟲連同底下的碎石和泥土一起兜到嘴里。

Placer tin deposit in xupu occurs in alluvial sediment of quatemary system and cassiterite chiefly concentrates at the bottom of gravel layers.───溆浦砂錫礦床賦存在第四系沖積層中錫石主要富集在底部砂礫石層。

discovery of blocks of gravel which sank to the bottom of the sea trapped in ancient icebergs has sparked a new understanding of a bizarre group of creatures.───在古老冰川中的沉沒海底的沙石塊的發現引起了人們對奇異物種的新的認識。

英語使用場景

They need well-oxygenated water, an absence of pollution and a fine gravel bottom for spawning.