n.恶心；干呕
动词retch的现在分词.
He listened to the starter retching and retching, the racing of the engine, and then the slow decline to slience. 他听着汽车的起动器干呕了两声，接着马达发动起来，声音逐渐消失在远处。
n.拉伸
动词stretch的现在分词形式.
