Stringboard
n. 楼梯斜梁侧板
✅ 同义词
🗣️ 情景例句
Do you live on or off campus?
你住在校内还是校外？
If you had gotten up earlier,you would have had time for breakfast.
如果你更早起床，你就有时间吃早餐了。
There are four of us.
我们有4人。