ultra-trane
英['ʌltrətr'eɪn]
美['ʌltrətr'eɪn]
- n.超痕量
相关词汇
ultraweak
ultra
ultra-low birefringence fiber
ultra-precision machine tools
Ultra-wide band radio systems
ultrafiltration membrane method
ultrafines reburning technology
ultrasound - electrooxidation
ultra-positive T-wave radio
ultra-high-vacuum technique
ultrasonographic ovulation time
ultrahigh frequency transceiver
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