Mesozoic crude
[化] 中生代原油
🧩 词语组成解析
n. 中生代\\na. 中生代的
🗣️ 情景例句
I have to leave. I feel terrible, but...
我得走了。真是糟糕透了， 但……
I don't know the answer, but let me ask Mr. Chen to comment on that.
我不知道答案，让我问一下陈先生看他有什么看法。
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，