The air of the room was disgusting, unbreathable; it caught Soames by the throat and sickened him. [Please select]
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"In half an hour from now the air in this chamber will be unbreathable." [Please select]
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The hour was about half-past eleven on one of those September nights when, in such a locality as this, a stifling quality seems to enter the atmosphere, rendering it all but unbreathable. [Please select]
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The luminous emission is extinguished in the unbreathable gases, nitrogen and carbonic acid; it continues in aerated water; it ceases in water deprived of its air by boiling. [Please select]
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