1.search engine 搜索引擎

例句：I'm usually just using the search engines to look up information.

我通常只是用搜索引擎找一些资料^!,ikdmLW#^5。

2.ground-based 地面的

例句：To detect these waves, astronomers use several kinds of large ground-based telescopes.

为了探测这些波, 天文学家们使用了各种类型的地面大型望远镜.

3.disaster relief 赈灾

例句：In addition, the SBA is well known for its disaster relief program.

除此以外, 小企业管理局还以其救灾计划著称eQWr*6.o=rT3KS。

4.sea level 海平面

例句：The stadium was 2275 metres above sea level.

这个体育馆海拔 2,275 米0;RqqfKjbar8M。