common eel

同根派生

The spawning of common eel usually takes place in the early morning between 4:00and 6:20 A. M. at water temperature between 18.5--24.5C.
親鰻自然産卵的時(shí)間一般在淩晨4時(shí)至6時(shí)20分之間;水溫在18.;5-24
Research on the Machine of Common Eel Slaughter
黃鱔宰殺機(jī)的研究
Knowledge without common sense counts for little.
光有學(xué)問(wèn)而無(wú)常識(shí)，則這種學(xué)問(wèn)無(wú)甚價(jià)值。
Salt is a common food preservative.
鹽是一種常用的食物防腐劑。
There is still no cure for the common cold.
目前仍沒(méi)有治瘉感冒的良葯。