一個是單數(shù)，一個是復(fù)數(shù)。單數(shù)grape在前面有表示單個物體的冠詞/代詞（a, the, that, this...), 或者后面有單數(shù)形式的動詞(is)時用。復(fù)數(shù)grapes在前面有復(fù)數(shù)形式代詞(those, these)或者后面有復(fù)數(shù)形式動詞（are)時用。

grape雙語例句

1、The colouring pigments from the skins are not allowed to bleed into the grape juice.

外皮上的色素不能滲到葡萄汁里面去。

2、The grape vine climbed up along the wall.

葡萄藤沿墻攀緣而上。

3、Grape Valley where the mountain field around the monuments for the Jieshi Shan another meet.

葡萄溝所在的山場周圍，為碣石山中的名勝古跡又一薈萃之地。

4、The grapes will soon be ripe. let's speed up our preparations for the grape harvest.

葡萄快熟了，得上緊準(zhǔn)備收摘了。

5、The storm has blasted our grape.

暴風(fēng)雨毀了我們的葡萄。