Pentaethylated
五乙基化的
🗣️ 情景例句
Sure. We've been in business about five years now.
当然。我们创业至今有五年的历史。
Great barkers are no biters.
吠犬不咬。
A truly dedicated bargain hunter must have patience, and above all, the ability to recognize the worth of something when he sees it.
一个到处找便宜的人必须具有耐心，而且最重要的是看到珍品时要有鉴别珍品的能力。