您要查找的是不是：
- What period is this from? 这件展品是哪个时期的?
- B: Is this from our last shipment ? 这是上次叫的货吗?
- What kind of material is this dress made from? 这种衣服是什么料子。
- What a delirious fever is this that I suffer from! 我忍受着多么神智昏迷的狂热！
- What stuff is this jacket made of? 这件甲克是用什麽料子做的?
- What wavelength is this station on? 这个电台在哪个波段?
- What size of collar is this shirt? 这衬衣领子的尺寸是多少？
- What period of validity is the ticket? 这车票有效期多久?
- Let's look at this from a historical standpoint. 让我们从历史的观点来看待这一切。
- This period is represented by Beethoven. 这个时期以贝多芬为代表。
- The incubation period is from 3 to 14 days. 登革热病的潜伏期为3至14天。
- This period is often long-term buyers come in time. 这一时期往往是长线买家进场的时机。
- This specified period is called the TSL. 此指定时期称为TSL。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- We should look at this from a historical standpoint. 我们应从历史的观点看待这事。
- Is this reference book of any use to me? 这本参考书对我有用处吗？
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
- The contract period is three years from commencement date. 合同期：合同期为三年，从入职第一天开始计算。
- Is this the original drawing or is it a copy? 这是原画还是模本?
- No one knows what period this mass of unkempt grave mounds belongs to. 这片丛冢也不知是什么年代的。
