V-T To fortify a place means to make it stronger and more difficult to attack, often by building a wall or ditch round it. (常通过筑墙、挖沟等) 巩固 (某地)
...soldiers working to fortify an airbase in Bahrain.
…在巩固一个在巴林的空军基地的士兵们。
V-T If food or drink is fortified, another substance is added to it to make it healthier or stronger. (通过添加另一种物质而) 强化 (食品或饮料) [usu passive]
Choose margarine or butter fortified with vitamin D.
选择人造黄油或用维生素D强化了的黄油。
All sherry is made from wine fortified with brandy.
所有雪利酒都是由用白兰地强化了的葡萄酒制成的。
The guests kissing fortifies and endorses the husband's.
客人们的吻强化并认可了丈夫的吻。
Benefits: Fortifies the immune system as well as relieves lower-back aches and fatigue.
优点：Fortifies免疫系统以及减轻下背部疼痛和疲劳。
If you're bilingual, you are using this system all the time, and that enhances and fortifies it.
如果你使用双语，那么你就在不断使用这个系统，因此系统本身也不断被强化。
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