1.gay marriage 同性婚姻

例句:While all of the candidates oppose gay marriage, no one bashed homosexuals.
所有候选人都反对同性婚姻，但没人抨击同性恋。

2.human rights 人权

例句:In the treaty both sides pledge to respect human rights.
双方在条约中都承诺将尊重人权。

3.along with 随着；连同...一起

例句:The problem of pollution arises along with the rapid development of industry.
随着工业的迅速发展，产生了污染问题。

4.put...in doubt 对...有疑问

例句:Future vital investment in the industry could be put in doubt.
该行业未来的关键投资可能产生变数。