brevity:

brev短, 缩短+ity状态->短的状态->brevity短暂,简短

A rainbow's brevity makes it even more precious.

短暂存在的彩虹更显珍贵.

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blueprint:

blue蓝色+print印刷->蓝色的印刷->blueprint蓝图,计划

When we build a building, we usually follow the blueprint to the letter.

建造建筑物的时候,我们通常会严格按照设计图来做.

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owing to:

Owing to the leaking battery acid, no grass can grow in this area.

phr. 由于,因为

owe亏钱+to指对象->多亏于->owing to "由于"

Owing to the leaking battery acid, no grass can grow in this area.

因为电池酸液泄漏,这片区域寸草不生.

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