"40 grapes" is how you would say 40颗葡萄 in Engpsh.
The word "grape" comes from the Old French word "grape," which ultimately derives from the Latin word "vitis," which means "vine." The word "grape" has been used in Engpsh since the 14th century to refer to the small, round, juicy fruit that grows in clusters on vines and is used to make wine, juice, and other products.
Here are some example sentences using the phrase "40 grapes" in Engpsh, along with their translations into Chinese:
"I bought 40 grapes at the farmer's market last weekend." (我上周末在农贸市场买了40颗葡萄。)
"The recipe calls for 40 grapes to be added to the fruit salad." (这道菜的配方要求加入40颗葡萄到水果沙拉里。)
"I counted 40 grapes in the bowl on the counter." (我数了一下柜台上碗里有40颗葡萄。)