Wellhead : আদি উৎস;
Related Words
walleyed  wallowed  weald  well oiled  well-head  welladay  welled  wellhead  welloiled  welltodo  wield  wiled  willed  See Words Also In
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Appropriate Prepositions
Abide in(বাস করা): I abide in Dhaka with my family.
Admit to(ভর্তি করা): The boy was admitted to class Nine.
Careful of(যত্নশীল থাকা): Sadia is careful of her health.
Convict of(দোষী সাব্যস্ত হওয়া): The accused person was convicted of the murder.
Infested with (অতিষ্ঠ): The room is infested with rats.
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Idioms
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Hush money (ঘুষ): He offered a hush money to disclose the file.
In the long run (পরিণামে): You will have to suffer in the long run.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.
To the point (সঠিক) - The boy answered the question to the point.