Keyframe
鍵架
??? 情景例句
Learning foreigh languages should be fun.
學習外語應該是樂趣無窮的。
She changed into old clothes for the sake of comfort.
為了舒適，她換上了舊衣服。
We hope that the next negotiation will be the last one before signing the contract.
我們希望下一交談判將是簽訂合同前的最后一輪談判。