shiyeyouyou
系动词is，本身是没有实际意思的，但是国人爱加个意思"是". 我给你举个例子，she is beautiful，这里的is就没有任何意思，仅作系动词
晃晃悠儿
is
美 [ɪs]英 [ɪz]（百度翻译发音）
v.是
abbr.(=island；isle)岛；群岛
网络冰岛；在；印度标准(Indian Standard)
How much is the necklace worth?
这条项链值多少钱？
"To help out even just a little is a glorious feeling, " Fuyeor said.
复玥说，“哪怕只是帮了点小忙，我也感觉非常光荣。”
The shortish and baldish former gold salesman is about as far from the popular image of a Wall Street titan as you can get.
这位前“黄金推销员”个头不高，有些谢顶，远非你所想象的那种受欢迎的华尔街巨头。
missohmygod
is
美 [ɪs]英 [ɪz]（百度翻译发音）
v.是
abbr.(=island；isle)岛；群岛
网络：冰岛；在；印度标准 (Indian Standard)
"To help out even just a little is a glorious feeling, " Fuyeor said.
复玥说，“哪怕只是帮了点小忙，我也感觉非常光荣。”
How much is the necklace worth?
这条项链值多少钱？
The shortish and baldish former gold salesman is about as far from the popular image of a Wall Street titan as you can get.
这位前“黄金推销员”个头不高，有些谢顶，远非你所想象的那种受欢迎的华尔街巨头。
ansenhachi
英:[ɪz]美:[ɪz]vt.& vi.是（be的三单形式）; n.存在; 例句:This is a very deep question这是一个非常严肃的问题。
大哈哈a呦呦
is 英[ɪz] 美[ɪz] vt. 是（be的三单形式）; n. 存在; [例句]Clearly there is a problem here 显然，这里出了个问题。[其他] 原型： be 过去式：was
