with repeated exposure over time, you cross that threshold, and your body reacts.
但反复长时间暴露在这些过敏原中，你便超越了那个界限，身体便会有所反应。
However, after three weeks of cold exposure, body weight began to stabilise.
不过，暴露在寒冷中三周后，体重就开始稳定下来。
Ultrasound may cause harm for human body, should avoid to exposure in long time.
超声可能对人体造成危害，应避免长时间照射。
Solid body construction can withstand greater vibration and shock exposure without damage.
固体结构能够承受更大的震动和冲击。
There is a great different between exposure of the mind and that of the body.
表露思想和展露身体之间存在极大的区别。
The exposure in different sits of body surface inroentgenologists was lower than the permissible level.
放射科医生体表各部位的照射量均低于容许水平。
There are three factors that minimize radiation exposure to your body: Time, Distance, and Shielding.
要最大程度减轻辐射伤害，三个因素至关重要：时间，距离和庇护所。
There are three factors that minimize radiation exposure to your body: Time, Distance, and Shielding.
要最大程度减轻辐射伤害，三个因素至关重要：时间，距离和庇护所。
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