challis
发音
英 ['ʃælɪs]
美 ['ʃælɪs]
-
- n.
- 有印花的轻质毛料,印花丝毛料
单词词源
双语例句
- 1. Professor lawrie challis , an emeritus professor of physics who has led the government 's mobile-phone safety research , says that parents should not give children phones before secondary school .
- 一个领导政府的移动电话安全研究的荣誉退休的物理学教授lawriechallis说,在孩子上中学之前,父母不应该给他们的孩子使用手机。