当海伦批评我时,克里斯为我辩护。
When Helen criticized me, Chris came to my ___defence.
她为自己的行为进行了强烈的辩护。
She argued strongly in ___defence of her actions.
良好的饮食有助于增强身体的天然防御能力。
A good diet helps build the body's natural ___defences.