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  2. /act
  3. /radioactive

radioactive

🇬🇧 UK/.reidiәu'æktiv/🇺🇸 US
B2

Definitions

adj.

Emitting harmful ionizing radiation due to unstable atomic nuclei.

放射性的;有辐射的

🧩 Root Breakdown

Root-derived
radiostem
+
activedo, act, drive
+
ivetending to, having the nature of
=radioactive

Common Collocations

  • 1.radioactive waste放射性废料
  • 2.radioactive decay放射性衰变
  • 3.radioactive material放射性物质
  • 4.radioactive contamination放射性污染

Example Sentences

  • 1.

    Workers handling radioactive materials must wear protective gear at all times.

  • 2.

    The site was sealed off after radioactive waste was discovered in the soil.

  • 3.

    Radioactive isotopes are widely used in medical imaging and cancer treatment.

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