帮忙解决~~~

wa00wuxu

想请教大家几个问题：
w:How do i get one of those green buckets everynoe puts out of the curb for paper recycling?
其中的green buckets是什么意思？

w:Can you believeit?A 20 page term paper and a final exam! What does professor Johnson think? That we don'thave any other classes but this?
m:wait a second,I'm sure he said it was either one or the other.
其中either one or the other是什么意思？

wo you think we can use your pickup truck to take the telescopes out to the field again this weekend?
m:To be honest,I've got a lot of dents in my truck fron the last field trip.Maybe someone else help out this time.
这段都不太明白，需要翻译。

女士说明天要做presentatian，男士说“maybe you need a trail run",trail run是什么？

w:This mirror is the perfest size for our bathroom,and it's half off.
其中half off是什么意思？