Nervuration
脉序, 翅膀形成
🗣️ 情景例句
I know. I know. I'm really sorry.
我知道 我知道。真的很抱歉。
I'm playing with the dog downstairs.
我在楼下和狗玩。
Like exercise books, rulers, pens, colour pencils, erasers and maps.
像练习本、格尺、钢笔、彩色铅笔、橡皮和地图等。