在英语中,“fish”这个词在表示种类时,通常用作单复数同形的词汇,即无论是单数还是复数,都使用“fish”。但是,当想要强调个体的数量时,尤其是在“how many”这样询问数量的句型中,使用“fishes”作为复数形式更为恰当。因此,“how many fish”和“how many fishes”都是可以的,但后者更强调个体的数量。 造句例...
How many species are there within the genus Acipenser? In their paper in this volume Bemis et al. (1997) ask: 'How many valid species of Acipenser should we recognize?' Although a partial answer to this questio... VJ Birstein,WE Bemis - 《Environmental Biology of Fishes》 被引量: 440...
PROBLEM TO BE SOLVED: To actualize a living environment of fishes extremely economically in an ideal state. SOLUTION: This method for constituting a fish reef comprises digging a part of sea bottom from above to provide a fish living valley zone 1 in which seawater stagnates in a calm state....
With the exception of a few extensively studied taxa (e.g., birds [22], fishes [23]), we are still remarkably uncertain as to how many species exist, highlighting a significant gap in our basic knowledge of life on Earth. Here we present a quantitative method to estimate the global ...
Firstly, we need to reduce our use of single-use plastics. Plastic waste is one of the biggest threats to the marine environment, and it is estimated that there will be more plastic than fish in the oceans by 2050. We can reduce our use of plastic by using reusable bags, ...
Even if you draw the floor of the ocean beneath it and a few plants, it will make it look even better. If you want to go even further with it, then you could add bigger details like a sunken ship or a treasure chest. There are so many ways to make your drawing more special! A...
ain many people of the word people often gather to laugh wildly just to relieve stree on life 在词人民的许多人经常会集狂放地笑解除stree在生活[translate] a像有电流 Has the electric current likely[translate] aB600 100元 B600 100元[translate] ...
Where did all the fish go? To satisfy our voracious appetite for seafood, many species have been hunted to near oblivion.(The End of the Line: How Overfish... The End of the Line: How Overfishing is Changing the World and What We Eat. University of California Press, Berkeley.Clover C...
Flounder species belong to a large order of flatfishes in several families. Flatfishes include flounders, halibuts, soles, turbots and more. Because of their unique anatomy—their eyes are positioned on one side of their heads—they lie in ambush on or near the ocean bottom. ...
【题目】用括号内所给单词适当形式填空 【1】Lily and Lucy are American girls, but__ __(they)mother is Chinese. 【2】Mike and Helen are my (cousin). 【3】How many __ __(policeman) are there in the police station? 【4】Who (be) the boy and the girl in front of Tom?