点击下方单词,选择对的这个单词
1. 水獭 An otter is a small animal with brown fur, short legs, and a long tail. Otters swim well and eat fish.
1. freshwater carnivorous mammal having webbed and clawed feet and dark brown fur
2. the fur of an otter
多通过句子记忆单词,而不是单独死记硬背。