瑟林的小组收集了来自600多个城市的自来水样品,并创立了一个区域差异的地图。
翻译 took a sample of my blood for tests
(抽了我的血样去化验)
同义替换 n. example; pattern
secure [s??kj??(r)] adj. ①牢固的,稳固的 ②安心的v. 得到,获得
拆分 se(分开)+ cure(关心)→不关心,不担忧→安全的
例句 And the program seems to be working: crime is down and our citizens report that they feel more secure.
而且,这个项目看起来很有效:犯罪减少了,我们的市民说他们感觉更安全了。
衍生 security n. 安全,保障;抵押品;证券
翻译 I know you have many friends in different fields, can you secure me two good seats for the concert(你能为我弄到两张音乐会的好票吗)?