词汇	pigging back
释义	pigging back 生铁增碳
随便看	do you carry your baggage Do you carry your baggage? do you catch my drift Do you catch my drift? Do you catch my meaning Do you catch my meaning? do you catch my words do you catch my words? Do you charge for checks Do you charge for checks? do you charge mileage do you charge mileage? Do you chat on line Do you chat on line? Do you check my vaccination certificate Do you check my vaccination certificate,too? Do you clench your teeth Do you clench your teeth? Do you close for lunch Do you close for lunch? Do you close on holidays Do you close on holidays? do you collect stamps do you collect stamps? Do you collect user information