Umbilicus : নাভি; নাভি-আকৃতির গঠন; নাই;
Related Words
umbilic  umbilical  umbilical cord  umbilicus  See Words Also In
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Appropriate Prepositions
Apathy towards (অনাগ্রহ): The student has great apathy towards his studies.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
Play at (খেলা): I do not play at cards.
Subsist on (বেঁচে থাকা): The poor subsist mainly on rice and pulses.
Urge upon (আহবান জানানো): She urged upon his son the importance of being honest.
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Idioms
At a low ebb (in an unfavorable situation প্রতিকুল অবস্থায়, ভাটির মুখে) The popularity of this singer is now at a low ebb.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Run short (কমতি পড়া) —I ran short of money.
Slow coach (অলস): You cannot expect much from a slow coach.
Set out (যাত্রা করা)— I will set out in time.