点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源,包括PDF教材和音频练习,方便课后复习:
1. 最优的;最佳的;最适宜的The optimum or optimal level or state of something is the best level or state that it could achieve.
1. most favorable conditions or greatest degree or amount possible under given circumstances
多通过句子记忆单词,而不是单独死记硬背。