breathing
/ˈbriːðɪŋ/noun
1
- mass noun the process of taking air into and expelling it from the lungs呼吸：
his breathing was shallow.
他的呼吸很浅。
2
- a sign in Greek ('or') indicating the presence of an aspirate (rough breathing) or the absence of an aspirate (smooth breathing) at the beginning of a word（希腊语词首的）送气符号"'"; 不送气符号"'"。