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British pronunciation of 

Achilles’ heel

view main entry for Achilles’ heel noun  /əˌkɪliːz ˈhiːl/
British English pronunciation: Achilles’ heel
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liquid biopsy

a medical test in which blood cells are taken from the body and examined to find out if they are healthy

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someone on a film set who takes care of plants, trees, and other various landscaping materials like rocks, gravel, sand, etc.

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