幕斯塔法说，禽类沙门氏菌检测非常重要，因为沙门氏菌会长期依附在禽类的脾脏和生殖系上，每一颗由受感染禽类所生的鸡蛋都会被感染。
Mustapha said salmonella testing in poultry is important because it persists in birds' spleens and reproductive tracts. An infected bird passes the infection on to all of its eggs.
研究人员发现，由严重吸烟导致的基因表达改变在戒烟后会长期存在。
Gene expression changes brought on by heavy smoking may persist long after the smoker has kicked the habit, researchers have found.
李仁源是乐天会长辛东彬的左膀右臂，辛东彬在去年击败了长兄，继承了由其父创办的乐天集团，而其父今年已经93岁高龄。
He was a top aide to Shin Dong-bin who last year beat back a challenge from his older brother, emerging triumphantly as the chairman of the Lotte Group, founded by their 93-year-old father.
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