大蟒蛇紧紧盘绕猎物使之无法呼吸，从而杀死猎物。Pythons kill by tightening their coils so that their victim cannot breathe.那条蛇盘绕起来准备攻击。The snake coiled up, ready to strike.盘绕（纠结）在一起的树枝a tangle of branches...
He pushed everyone full speed ahead until production hit a bottleneck.他催促所有人拼命干活，直到生产遭遇瓶颈。Hydrogen is used extensively in industry for the production of ammonia.氢气在工业上广泛用于制氨。Because of the slump in domestic demand, produ...