Backpitch
反螺旋; 背节距
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
We should keep them informed of what is going on here.
我们应该让他们知道这里发生的事情。[分词作定语]
All these computer uses have become commonplace.
计算机的所有这些功能现在都变得很平常。