Fortifying
v. 筑防御工事于( fortify的现在分词 ); 筑堡于; 增强; 强化（食品）
✅ 同义词
🔴 反义词
🗣️ 情景例句
but Philip is too independent.
但是Philip的独立性太强了。
To learn how to count
学习记账
Past experience has taught us that certain accomplishments are beyond attainment.
以往的经验告诉我们有些事是办不到的。