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開區間 (hoi1 keoi1 gaan1) — meaning, pronunciation, examples

開區間 (hoi1 keoi1 gaan1, kāi qū jiān) — open interval (in calculus)

Classifier

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Usage

Level

beyond HSK

Related words

• 開便 (hoi1 bin6) — the outer side; on the further side
• 開信刀 (hoi1 seon3 dou1) — a letter opener
• 開出 (hoi1 ceot1) — to issue; to offer; (of vehicle) to depart from
• 開刀 (hoi1 dou1) — (verb) o undergo a surgery
• 開去 (hoi1 heoi3) — (of vehicle) to head for; to dimiss (someone from their job)
• 開口及着脷 (hoi1 hau2 kap6 zoek6 lei6) — (literally: to open one's mouth and bite one's tongue); to be consistently sayi…

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