点击下方单词,选择对的这个单词
1. - see knock down 1
1. cause to overturn from an upright or normal position
e.g. The cat knocked over the flower vasethe clumsy customer turned over the vasehe tumped over his beer
Synonym: overturntip overturn overupsetbowl overtump over
多通过句子记忆单词，而不是单独死记硬背。
