Defence
n.辩护；防御；防御工事；后卫

The land was flat, giving no scope for defence...
这一地区非常平坦，根本没法进行防御。
Twenty eight percent of the federal budget is spent on defense.
28%的联邦预算用于国防。
The immune system is our main defence against disease...
人体的免疫系统是抵御疾病的主要屏障。

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Prevent…from
使…不，防止…做

Lock or unlock your phone to prevent from unwanted checks.
锁定或解锁手机，以防止不必要的检查。

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Except for
除…之外；若不是

The building itself is empty except for a few trees.
除了几棵树，整个建筑已经空无一物。

剧情百科

考考你 Q&A
Q: Please use the word or phrase you just learnt to complete the sentence beblow.

1.Started it when my daughter was born with a heart _____.
我女儿生下来的时候有心脏缺陷，那我就开始写了。
2.Mastering english is _____ contact the language frequently to a large extent.
掌握好英语很大程度上要归因于大量接触该语言.

A:本期答案见下期
上期答案：

1.Their role is local (defence), not law enforcement.
他们的作用是地方防卫，不是执法。
2.How to (prevent from) producing new froth?
如何防止新泡沫的产生？