"Pear is yellow" in Engpsh would be "The pear is yellow."
The word "pear" comes from the Old Engpsh word "pearra," which ultimately derives from the Proto-Germanic word "pira." The word "yellow" comes from the Old Engpsh word "geolu," which ultimately derives from the Proto-Germanic word "gelwaz."
Examples:
"I picked a yellow pear from the tree." (我从树上摘了一个黄色的梨。)
"The yellow pears on the market look so ripe." (市场上黄色的梨看起来非常熟。)
"My favorite pie is made with yellow pears." (我最喜欢的派是用黄色的梨做的。)