Hand scraping
[化] 人工刮研
🧩 词语组成解析
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
scraping
['skreipiŋ]
n. 刮;擦;挖;刮擦声;
adj. 刮的;吝啬的;
🗣️ 情景例句
His studies advanced steadily.
他的学业不断进步。
Are your neighbors vey friendly?
你的邻居友好吗？
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。