Spacetime
时空
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
She is free any time you need help.
你需要帮忙时，请随时向她求助好了。
After three hours, the men stopped for a meal break.
3小时之后，工人们停下来吃饭。