✅ 同义词
🗣️ 情景例句
I'm sure Robbie has them.
我确定在Robbie那里。
I've read about it,but I'd like to know more about it.
我已经知道了一点儿，但我还想多了解一些。
I'm not sure. I think he may have to help his Dad in the garden.
我不清楚。我想可能他得帮助他爸爸在花园里干活。