Rachigraph
脊柱描记器
🗣️ 情景例句
I can assure you that as long as you stay at home, you're safe.
我可向你保证，只要你呆在家里就会很安全。
Know something like the palm of one's hand.
熟知其事，了如指掌。
Don't worry. I can help him.
不用着急，我来帮他。