单词学习：acid 名词/形容词
acid
/ˈæsɪd/
酸；酸性的；尖刻的
Mr. Gu warned the students to handle the acid with extreme caution during the chemistry experiment.
顾老师警告学生们在化学实验中要极其小心地处理酸。
单词卡片
卡片已就绪
