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单词 semi-open
释义 semi-ˈopen, a.
[semi- 1 a, 8 a.]
Partially open; spec. in Med., applied to methods of administering anæsthetics in which the inspired gas is atmospheric air partially restricted or controlled by some device. Cf. open a. 11 h, semi-closed adj. (b) s.v. semi- 8.
1914J. T. Gwathmey Anesthesia vi. 276 If ethyl chlorid [sic] is administered to adults from an open or semi-open inhaler large quantities of the drug will be needed to bring about even partial anesthesia.1972[see open a. 11 h].
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