(IELTS4000) surge | Definition: outburst; roll or be tossed about on waves, as a boat
| | (ESS4000) surgery | Definition: Surgery is medical treatment when the doctor cuts open your body. | Example: →I needed surgery to repair my leg after the accident.
| | (ESS4000) surgeon | Definition: A surgeon is a doctor who is trained to do surgery. | Example: →The surgeon operated on the old man’s heart.
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