Polyhydronaphthalene
[化] 聚二氢化萘
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
I want to thank you for inviting us to such an enjoyable Christmas party.
我对邀请我们出席这样一个快乐的圣诞晚会表示感谢。
I'm here to see the purchasing agent.
我是来拜访采购经理的。