Operation symbol
[计] 操作符号, 运算符号
🧩 词语组成解析
🗣️ 情景例句
you'll help me select some of the great places.
能帮我挑一些好地方。
What time does the train for Boston leaves?
去波士顿的火车几点开？
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。