Isohimachalone
八氢四甲基苯并环庚烯酮
🗣️ 情景例句
Go inside the Information Center.
到服务中心去。
We prepared a picnic lunch and drove down by the river.
我们准备了野餐午餐并沿河边向下开车。
We could guarantee delivery better if you would take it now.
如果现在交货我们较能保证如期交到。