Backstraps
n. 书背，书脊；(靴子或鞋后跟上的)提带
🗣️ 情景例句
That's the way.
就这样。
We know that you are leading exporters of coal and you can provide the quantity we need.
我们知道贵方是主要煤炭出口商，能满足我们的需求量。
I don't know. One, I think.
不知道，我想一岁。