Femtometer
n. 千万亿分之一公尺
🗣️ 情景例句
Well, it's fine if you take our picture.
你想拍我们的照，就请吧。
Did you sell it to him yourself?
你自己亲自卖给他吗？
Your answer is satisfying. I feel satisfied.
你的答案是令人满意的。我感到很满意。