Casco
蛋白質粘合劑
??? 情景例句
No. Look out the window. The sun is shining!
不。你看看窗外。太陽出來了！
She is hard to please.
她很難取悅。
Really? If you are ill, you must see the doctor.
真的嗎？如果是生病了，你得去看醫生。