1、stone的基本用法：
[不可數(shù)](常用作定語或用以構(gòu)成復(fù)合詞) 石; 石頭; 巖石:
house built of grey stone 用灰色石料砌成的房子【所以應(yīng)該是The bridge is made of stone.不可數(shù)】
a stone walls, buildings, floors, statues, ie made or built of stone 石墻、 石樓、 石板地面、 石雕
What type of stone is this? 這是什麼石頭?
[可數(shù)]石塊; 石子; 碎石:
a pile of stones 一堆石塊
a road covered with stones 碎石路
Small stones rolled down the hillside as they ran up. 他們跑上山坡, 同時(shí)有些小石子滾了下來.She picked up the stone and threw it into the river. 她撿起那塊石頭扔進(jìn)河里了.
2、be made of 用……制成的.“……”指從成品上能看出的原料,制成物沒有改變?cè)系谋举|(zhì).
后面所加名詞的單復(fù)數(shù)視情況而定.
The bridge is made of stone. 石頭是一種材料,是不可數(shù)的,所以用單數(shù)形式.
Dream is made of steps. 夢(mèng)想是一步步走出來的.這里的步子是可數(shù)的,所以用復(fù)數(shù)形式.
其他參考例句:
People used to test coins that were offered in payment, to see if they rang true or were made of false metal.
過去人們?cè)谑盏礁犊顣r(shí),常常試扔一下硬幣,聽聽其聲音是真的,還是由假金屬制作的.
The fence was made of posts joined together with wire.
籬笆是以鐵絲連接起木樁而構(gòu)成的.
Light often behaves as if it were made of particles.
光常常表現(xiàn)出好象它是由粒子組成似的.
3、the best way todo sth.
應(yīng)該是 The best way to go to Shanghai is by plane.
例句：We'll decide on the best way to go on our field trip.我們將決定去實(shí)習(xí)的最佳方式.