The bed-springs creaked.床垫的弹簧嘎吱作响。The steps creaked beneath his feet...楼梯在他脚下嘎吱作响。She listened. The window creaked - at first almost inaudibly, then louder.她静静地听着,窗子在格格作响――开始声音很小, 后来越来越大.The door in the old house creaked...
The typical K - F reagent has disadvantage of high poisonousness and pyridine malodor.经典K-F试剂缺点是毒性大,且具有吡啶的恶臭.This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法...
Imperial Ancestral Temple太庙On vacations, we flock to our ancestral hometowns.到假期, 我们结队回乡探亲.South American cavy; possibly ancestral to the domestic guinea pig.南美洲豚鼠; 可能是家养豚鼠的祖先....the ancestral portraits in the hallway.走廊...
The warring sides have agreed on an unconditional ceasefire...交战各方已经同意无条件休战。The incident ruptures a recent and fragile ceasefire.这次事件使最近达成的不堪一击的停火协议破裂。Attempts to resurrect the ceasefire have already failed once.为再次停火作出的...