Onan
油浸自冷（变压器冷却方式，Oil Natural Air Natural）
🗣️ 情景例句
If I have time, I enjoy camping in the wild with my friends.
若时间许可，我爱和朋友到野外露营。
I'm not big enough.
我还不够大。
Oh good! said Ann. May I put them on, please?
“好啊！”安说，“我可以插上蜡烛了吗？”