学习资料
[意 思]adj. 联合的,共同的
[例]  By their joint efforts they managed to complete the project on time.
他们通过共同努力总算按时完成了计划。
adj. 合办的,共有的
[例]  We have opened a joint account at the bank.
我们在银行开了一个共有的帐户。
n. 关节
[例]  The knee is a joint in the leg.
膝盖是腿的一个关节。
n. 结合点,接头,接缝
[例]  If you use joints,you can make these short pipes into one long pipe.你用几个接头,就可以把这些短管子接成一根长管子。