Riprap
n. 乱石, 乱石基\\nvt. 用乱石筑基
✅ 同义词
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
You'll know our products better after this visit.
参观后您会对我们的产品有更深的了解。
What's up?
有什么事吗？