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n. 纵梁, 楼梯基
✅ 同义词
🗣️ 情景例句
No, I'm not.
不，我不觉得。
The timid child would not leave his mother's side.
那个胆小的孩子不愿离开母亲。
I'm calling to see what happened to our last order.
我打电话来是想知道上次订的货怎么样啦？