Circumvallation
n. 围以城墙
✅ 同义词
🗣️ 情景例句
Now, tell me, what's the problem?
啊， 告诉我 有什么问题？
I could swear I've been here before.
我敢发誓我曾经来过这儿。
Many pedal their tricycles, but most of them prefer to push or drag them.
很多孩子用脚蹬车，但多数孩子更愿意推或是拉着三轮车。