Resbon tube
[化] 不透性石墨管
🧩 词语组成解析
🗣️ 情景例句
He invests his money in the stock market, dreaming of huge profits.
他把钱投资在股市中， 梦想从中获暴利。
Who are you writing to?
你在给谁写信？
Example is better than precept.
身教胜于言传。