Test-tube : রাসায়নিক পরীক্ষায় ব্যবহৃত একমুখ খোলা কাচের নল;
Related Words
test tube  test tube baby  test-tube  test-tube baby  See Words Also In
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Appropriate Prepositions
Zeal for (উৎসাহ): Forhad has great zeal for cricket.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Infested with (অতিষ্ঠ): The room is infested with rats.
Repent on (নির্ভরশীল): He is repent on his parents.
Sick of (ক্লান্ত): He is sick of this idle life.
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Idioms
At home (comfortable— আরাম) He feels at home in Dhaka now.
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
Give one’s right arm (বিপদের ঝুকি নেয়া): I will give my right arm if I could manage the tickets.
Maiden speech (প্রথম বক্তৃতা): His maiden speech fell flat on the audience.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.