air-breathing two-phase Pulse Detonation Engine (PDE)
英
美
air-breathing two-phase Pulse Detonation Engine (PDE)的用法和样例:
例句
- He sucked hard for air to keep breathing.
他拼命吸气以维持呼吸。
- You just practice mindful breathing in and out.
你只要专注地吸气和呼气。
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