cheer的词性转换
cheer n. 欢呼；激励；愉快 vt. 鼓舞；加油；快活起来 vi. 欢呼；使振奋 过去式： cheered 过去分词： cheered 现在分词： cheering 第三人称单数： cheers We all cheered as the team came on to the field. 球队入场时我们都为之欢呼。 The weather was perfect for a picnic, he told himself, but the thought did nothing to...