adjective
(also al·ter·nate especially in NAmE ) that can be used instead of sth else 可供替代的
an alternative method of doing sth
做某事的其他方法
Do you have an alternative solution?
你有没有别的解决办法？
different from the usual or traditional way in which sth is done 非传统的；另类的
alternative comedy/lifestyles/values
非传统喜剧／生活方式／价值观
alternative energy (= electricity or power that is produced using the energy from the sun, wind, water, etc.)
替代能源（指太阳能、风能、水能等）