七天的例句（七天在句子中的用法）

• Cooking, cleaning and ironing seven days a week. What a life!一周七天,天天做饭、打扫、熨衣服。这是什么鬼日子！
• The shop is open seven days a week excluding Christmas Day. 本商店每周七天营业, 圣诞节除外。
• She spent seven days afloat on a raft. 她在一只木筏上漂泊了七天。
• After seven days , the grouted mortar will have concreted, then we shall tighten the anchor bolts. 灌浆在七天以后凝固, 我们就将拧紧地脚螺栓.
• The shop opens seven days a week excluding Christmas Day. 本商店每周七天营业,圣诞节除外.
• Penicillin and magnamycin had continued antibacterial activity over a period of 7 days. 青霉素和碳霉素有持续七天的抗菌作用.