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美国的血液供给是世界上最安全的。
The US blood supply is among the safest in the world.
youdao
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他们的水供给水质洁净、送达准时、相当安全。
They have a supply of water that is clean, predictably delivered and reasonably secure.
youdao
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他们的水供给水质洁净、送达准时、相当安全。
They have a supply of water that is clean, predictably delivered and reasonably secure.
youdao