Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码,这些瓶子可免费保存两个月。
In the torchlight, he caught sight of a figure whom he immediately recognized as Bill Wilkins, our local grocer.
借着电筒光。他看见一个人,马上认出那是本地杂货店主经比尔。威尔金斯。