The street is lined with T-shirt shops, coffee shops and cafes catering to tourists. Foreigners walk aimlessly up and down the street, guidebooks in hand, soaking up the phony cultural atmosphere.
街道的两旁是t - shirt店、咖啡厅和面向游客的餐饮中心，外国旅游客手里拿着旅游指南，漫无目的地行走在街上，全身心浸泡在一种独特的文化气息中。
Using anti-CD3 and anti-CD28 to mimic stimulatory signal I / II, to study their function of activing T cells in order to explore the possible mechanism of immune up and down regulation.
利用CD3/28双抗体模拟第一、二信号的变化探讨免疫上下调节的可能机制，为我们研究输血带来的免疫影响及如何纠正提供可依靠的线索。
Young men paraded up and down the street in bright T-shirts.
小伙子们穿着鲜艳的T恤在街上招摇地走来走去。
Young men paraded up and down the street in bright T-shirts.
小伙子们穿着鲜艳的T恤在街上招摇地走来走去。
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