常見(jiàn)例句He often hawked toothpastes in the street during the vacations.上大學(xué)期間每逢放假，他便在大街上沿街兜售牙膏。Toothpastes use abrasives and chemicals to remove surface stains.牙膏可以用來(lái)祛除牙齒表面的污漬。 返回 Toothpastes