请输入您要查询的英文单词:
单词
respirator
释义
res·pi·ra·tor
(r
ĕ
s
p
ə
-r
ā
′
t
ə
r)
n.
1.
See ventilator.
2.
A device worn over the mouth or nose or both to protect the respiratory tract from harmful dust or fumes.
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更新时间:2025/6/1 13:31:42