fortis的用法和樣例：
例句
- For forty hours he had not tasted food.
他已40個鐘頭沒吃東酉了。 - In the forties scientists succeeded in finding a way to set free the great energy packed in atoms.
在40年代科學家們成功地發明了一種把儲藏在原子里的巨大能量釋放出來的方法。 - How much of that forty yuan have you left?
40塊錢用得還剩多少了？ - The refugees were at sea for forty days before reaching land.
這些難民在海上漂泊了40天后，他們的船才靠岸。
詞匯搭配
- fortis 強音的
- aqua fortis 硝酸
