respirator
n.
1836, as an aid to breathing (originally a sort of gauze mask, agent noun from respire. As "machine to provide artificial respiration" from 1929.
〔蒋〕[spir=breathe呼吸，-ator表示物] 呼吸器，防毒面具，防尘口罩
〔蒋〕[spir=breathe呼吸，-ator表示物] 呼吸器，防毒面具，防尘口罩
| 词汇 | respirator |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 respirator n. 1836, as an aid to breathing (originally a sort of gauze mask, agent noun from respire. As "machine to provide artificial respiration" from 1929. 〔蒋〕[spir=breathe呼吸，-ator表示物] 呼吸器，防毒面具，防尘口罩 |
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