Mr Diamond has two lines of defence.

戴蒙德先生有两道防线。

youdao

That low level response happens around-the-clock and is one of our body's first lines of defence.

那些低水平的反应每时每刻都在发生，是我们的机体首要防线之一。

youdao

Multiple anti seismic lines of defence systems having strong column, middle beam and weak brace will be formed by selecting rational reinforced concrete brace sections.

选择合理的钢筋混凝土支撑截面可以形成“强柱、中梁、弱支撑”的多道抗震防线体系。

youdao

Its forces have trained hard for just such an engagement, as well as working on improvements to civil defence, supply lines, planning and public relations.

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The bottom line is that Mr Osborne has difficult times ahead, but the eurozone and the OBR have given him some very good lines of defence.

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And there were further lines of defence.

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