您要查找的是不是：
- It's a silkworm cocoon. 这是蚕结的茧。
- It"s a prime hunk of real estate. 这是真实时期主要的一大块。
- Fibrous material taken from the silk gland of a silkworm before it spins a cocoon, used for fishing tackle. 钓钩丝一种从结茧以前的蚕的丝腺中提取的纤维物质，用来作钓具
- So how do we know it’s a doorbell? 那么我们怎么会认为它是门铃呢?
- It' s a long way by road the train is more direct. 走公路很远--乘火车近.
- Silk reeling is done in the silkworm cocoon workshop. 繅丝主要是先经过茧部车间。
- It' s a mercy she wasn' t hurt in the accident. 她在事故中未受伤; 真幸运.
- It' s a nice day let' s go for a picnic. 天气真好--咱们去野餐游玩吧.
- It' s a sin to stay indoors on such a fine day. 这样的好天气留在屋里实在不该。
- This is my watch, it' s a Swiss one. 这是我的手表，它是瑞士制的。
- Objective:To explore the mechanism of hypoglycemic action of silkworm cocoon. 目的:探讨蚕茧降血糖作用的机理。
- Anyhow, it 's a long way to China, not it ? 不管怎样，远道来中国，不是吗?
- I think it' s a shade warmer today. 我觉得今天暖和一点儿.
- Short or waste silk fibers, especially from the outer surface of the cocoon of a silkworm. 粗丝尤指蚕茧的外层蚕衣的短或无用的丝纤维
- Relatively speaking, it' s a fine day today. 相对来说，今天天气很好。
- It 's a clear breach of regulations . 这是明显的违反规定。
- This area is rich in such produce as tea, silkworm cocoon, walnut, Chinese chestnut and Chinese medical herbs. 茶叶、蚕茧、核桃、板栗、中药材等土特产甚多。
- It 's a nasty windy day, is not it ? 是个讨厌的风天，对吧?
- At the sametime, this paper also suggests that the standard system of colour of silkworm cocoon silk should be established in the future research. 同时，该文又提出了在今后的研究中要建立家蚕彩色茧丝的色彩标准体系。
- It' s a crime to waste so much food. 浪费这么多粮食是不应该的。
