资讯

一实验方法在研究家庭与亲密关系中的应用近年来,实验方法在社会科学研究中的应用越来越广,尤其是在家庭与亲密关系领域,实验设计因其能够提供强有力的因果推断而备受推崇。2023年发表在Journal of Marriage and ...
BEIJING, June 25 (Xinhua) -- The Shenzhou-20 crew members, who are currently on board China's space station, will conduct a second round of extravehicular activities within the next few days, the ...
NANJING, June 14 (Xinhua) -- China's Memorial Hall of the Victims in Nanjing Massacre by Japanese Invaders has acquired the complete personnel roster of Unit 1644, a Japanese germ-warfare unit during ...
在这句话中,“experiments” 指的是爱迪生在成功发明电灯炮之前做的 “多次科学实验”。因为爱迪生是通过一次又一次的实验来发明电灯泡这种新的事物,所以这里应该用 “experiments”。 说完了 “experiment”,我们继续来看单词 “test”—— ...