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：
形容词
1. 可觉察的；相当大的；明显的An appreciable amount or effect is large enough to be important or clearly noticed.
1. enough to be estimated or measured
e.g. appreciable amounts of noxious wastes are dumped into the harbor
多通过句子记忆单词，而不是单独死记硬背。
