vi.不均勻燃燒(功率突變)

The boat chugged along the canal. 小船穩(wěn)穩(wěn)地順著運(yùn)河突突地航行。

The loser of a game is required to chug a beer. 輸?shù)舯荣惖娜艘雀梢槐【啤?/p>

The train chugged through the mountains. 火車在群山中行進(jìn)，發(fā)出咔嚓咔嚓的聲間。

The motorboat chugged its way into the harbour. 汽艇突突地駛?cè)敫劭凇?/p>

The machine chugged,whined and stopped. 機(jī)器咯吱咯吱地響著，哼唧著，最后不動(dòng)了。