But the radio waves that we use for these purposes microwaves travel in straight lines. 这句话 that 后边是定语修饰 radio wave, 然后 microwaves travel in straight lines 是什么成分,以及这句话的谓语是哪呀?
Ttop 1% would hold wealth equating to $305tn (£216.5tn) – up from $140tn today.
请问这里的 up是修饰介词短语from $140tn today吗?up from $140tn today这一部分是副词短语还是介词短语?做什么成分?
A second study,comparing 1,167 people with melanomas to 1,101 who didn't have the cancer ,found that using sunscreen routinely,alongside other protection such as hats,long sleeves or staying in the shade,did give some protection.这里的alongside该如何理解?怎么翻译是好?