be on one's back
导读：be on one\'s back读音音标
[bi: ɔn wʌnz bæk]
be on one\'s back意思解释
v.仰卧，生病卧床；
[bi: ɔn wʌnz bæk]
be on one\'s back意思解释
v.仰卧，生病卧床；
be on one\'s back读音音标
[bi: ɔn wʌnz bæk]
be on one\'s back意思解释
v.
仰卧，生病卧床；
[bi: ɔn wʌnz bæk]
v.
仰卧，生病卧床；
