weighing against短语¹⁴⁴⁹⁷²⁺² 基本例句 权衡；掂量；与之相当；对…不利；妨碍… One thing weighing against extending the shuttles' life is a report issued last week by a panel of independent experts that advises NASA on safety. 上星期，一个由独立专家组成的小组发布了一份报告，报告建议 NASA重视安全性，并坚决反对延长航天飞机的寿命。 blog.sina.com.cn