Alkalis
n. 碱质, 碱金属
🗣️ 情景例句
Learning foreigh languages should be fun.
学习外语应该是乐趣无穷的。
Do you have a letter of introduction?
你有介绍信吗？
she said she was not going to make another.She said she was going to retire.
她不准备再拍电影了。她说她准备退休。