My idea of physical perfection is to be very slender.在我看来，要拥有完美身材就要非常苗条。Physical perfection in a human being is exceedingly rare.体貌完美的人极为罕见。It is unrealistic to believe perfection is an attainable goal.相信完美可以企及是不现实的。...
他眼睛里有异物.He has some foreign matter in his eye.她手指肿大是内有异物所致.The swelling on her finger was caused by a foreign body in it.异物为什么如此有害,其确切原因尚不清楚.Exactly why the foreign body is so deleterious is not clear....
B from the family of boron have autocatalytic effect.硼族元素对焦炭反应性起负催化作用.The NO oxidation is autocatalytic.NO氧化是自动催化的.The reactions are autocatalytic and quickly send the cell into thermal runaway where It'self destruc...