单词学习：simultaneously 副词
simultaneously
/ˌsaɪməlˈteɪniəsli/
同时地
Ms. Gu can simultaneously explain the meaning of a word and write an example sentence on the whiteboard.
顾老师可以一边解释单词的意思，一边在白板上写出例句。
单词卡片
卡片已就绪
