Butter, margarine, and oily fish are all good sources of vitamin D.黄油、人造黄油和多脂鱼都含有丰富的维生素D。As a hangover from rationing, they mixed butter and margarine.作为食品配给制的一种遗留影响，他们总把黄油和人造黄油混在一起吃。Sunflower margarine has the same fat ...
Sailors hove up the cable with windlass or capstan.水手们用绞盘或起锚机把缆绳拉起来.Capstan imagesetter works such as shown in Figure 2.绞盘式照排机的处事道理如图2所示.The two part capstan I turned and mounted the lower half.我镟制并安放两组分绞盘的下半部....