at a great expense

at的短语_百度知道 ... 13.at the risk of 冒……危险 14.at a great expense 以巨大费用 1．stared at 盯着看 ...

初中英语语法 介词用法口诀大全3... ... at the risk of 冒……伤害 at a great expense 以伟大费用 at a stroke 一举 ...