Onan
油浸自冷（变压器冷却方式，Oil Natural Air Natural）
🗣️ 情景例句
I don't envy him his money problems.
我庆幸自己没有他那些金钱的烦恼。
I believe there is no way out of this forest.
我相信没有路可以从这森林走出去。
but they do underline the general principle that the relationship between elephant and mahout is the key to successful training.
但强调了一项基本原则，象和驯象员之间的关系是驯象成功与否的关键。