維持呼吸道暢通

維持 weiˊ chiˊ

(Guard, Guarded, Guarding, Guards, Keep, Keeping, Keeps, Kept, Maintain, Maintained, Maintaining, Maintains, Preserve, Preserved, Preserves, Preserving, Support, Supported, Supporting, Supports, Sustain, Sustained, Sustaining, Sustains, To guard, To keep, To maintain, To preserve, To support, To sustain) To sustain, Sustain, Sustains, Sustaining, Sustained, To support, Support, Supports, Supporting, Supported, To keep, Keep, Keeps, Keeping, Kept, To maintain, Maintain, Maintains, Maintaining, Maintained, To preserve, Preserve, Preserves, Preserving, Preserved, To guard, Guard, Guards, Guarding, Guarded

呼吸 huˉ xiˉ

(Breath, Breathe, Breathing, Inhale) Breathe, Inhale and exhale, Breathing, Breath

呼吸道 huˉ xiˉ daoˋ

(Respiratory) Respiratory, Respiratory tract

暢通 changˋ tongˉ

(Clear, Unimpeded) Clear, Unimpeded