The timbers groan and creak and the floorboards shift.这些木头在吱吱嘎嘎作响，木地板有些摇晃。Bookshelves groan under the burden of books on threats to the environment.书架上摆满了有关环境威胁的书，不堪重负。The platforms groan with homeward-bound commuters.月台...
He criticized them for dressing outrageously and posing pretentiously.他批评她们衣着暴露而且矫揉造作。The model was posing carefully.这位模特儿在认真地摆着姿势.She is always posing.她总是装腔作势....
那汽车[发动机]发生逆火引起爆鸣.The car / engine backfired noisily.在熄灭或控制森林大火蔓延中燃起或使用逆火.To start or use a backfire in extinguishing or controlling a forest fire.突然响起一声爆裂声 —— 像汽车的逆火声.A sudden report rang out -- like the sound of a car b...