Unitane
二氧化钛
🗣️ 情景例句
Uh, in a way.
嗯，是呀。
Quit your job?
辞职？
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。