词汇	spare boiler
释义	spare boiler 预备锅炉
随便看	a secured creditor a secure investment a secure job a secure lock a secure neighborhood A secure place for the feet A secure place for the feet; a foothold A secure server can transmit data encrypted a security blanket a security break a security dialogue and cooperation platform a security environment a security grille a security guard A security guard was killed in the bank raid a security outlook featuring mutual trust a security system ASED a sedan chair a sedate and dignified bearing a sedate country town a sedate game of golf a sedative medicine 镇静剂, a sedentary job a sedentary job/occupation