点击下方单词,选择对的这个单词
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名词
1. 椽Rafters are the sloping pieces of wood that support a roof.
1. one of several parallel sloping beams that support a roof
Synonym: balkbaulk
2. someone who travels by raft
Synonym: raftsmanraftman
多通过句子记忆单词,而不是单独死记硬背。