swagger

to walk in a proud way, considering others inferior.

Note:- Swagger is verb as well as a noun

After the king had defeated his rival, he swaggered into his rival's court.

He is moving with a swagger.

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mum

1. synonym of mother
2. silence

His mum and dad are very angry with him.

Keep mum = Stay silent

You better keep mum.
He kept mum about this secret,

Mum's the word! (Used to order someone that they must never reveal the secret)

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C++

A computer programming language that is an advanced form of C++. Learning C++ means learning everything about C.

A piece of code written in C++

# include <iostream>
using namespace std;

void main()
{

cout<<"Welcome!";
}

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mechatronics

Mechatronics is a branch of engineering that has emerged with the combination of Mechanical engineering, Electrical engineering, and Software engineering.

Mechatronics greatly deals with robotics, as robotics is based upon mechanical, electrical and software system.

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plummet

to fall from a high level or position

Prices have plummeted.

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