K.e.
abbr. (=kinetic energy)【物】动能
🗣️ 情景例句
I don't know,
我不知道，
A good conscience is a soft pillow.
白日不做亏心事，夜半敲门心不惊。
There may be some dangerous animals on this island.
“这岛上可能有些危险动物。”