Nitrogen sealed transformer
[电] 氮封变压器
🧩 词语组成解析
a. 未知的, 密封的\\n[法] 盖印的, 经盖章批准或证实的, 密封的
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
Little children have the most fun playing make-believe.
儿童很喜欢幻想的游戏。
I had left it on a chair beside the door and now it wasn't there!
我曾把它放在门边的椅子上，可这会儿不见了！