Casia
化学文摘题目索引通报
🗣️ 情景例句
She is not able to take your call at the moment.
她现在没办法接你的电话。
I am Chen Jianguo. I am from Shanghai, China.
我叫陈建国，来自中国上海。
Mum, this is my teacher, Miss Gao.
妈妈，这位是我的老师，高小姐。