点击下方单词,选择对的这个单词
1. to believe especially on uncertain or tentative grounds
e.g. Scientists supposed that large dinosaurs lived in swamps
Synonym: speculatetheorizetheoriseconjecturehypothesizehypothesisesuppose
2. pledge without delivery or title of possession
多通过句子记忆单词,而不是单独死记硬背。