Dalembert principle
[化] 达朗贝尔原理
🧩 词语组成解析
🗣️ 情景例句
I do, Harry.
我是关心， Harry。
You've already quoted a price of $ 800 per 1,000. Is there a discount for larger orders?
你报的价是每1000个要美金800元，如大量订购有折扣吗？
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。