bamboo是可數(shù)名詞嗎如果是復數(shù)怎么變

　　It is well-known that bamboo shoots are a panda's staple diet.

　　眾所周知，竹筍是熊貓的主要食物。

　　Who broke the bamboo dragonfly?

　　誰弄壞了竹蜻蜓？

　　Lucky pandas! They love bamboo.

　　好運的熊貓！他們愛竹子。

　　They are wooden or bamboo toys.

　　它們是木制或竹制玩具。

　　It lives in bamboo forests.

　　它生活在竹林里。