谁知道however, but, though , although, while ,as ,since, for, 的...答:It's not so high but we can jump it.它并非高到我们跳不过去的地步。 8. (用于含doubt,question等字的否定句中,相当于that)对于 There is no doubt but he won.对于他获胜这一点没有疑问。介词 prep.1. (用于nothing,nobody,who,all等词后面)除...以外 No one saw it but me.除了...