A second risk, of even greater concern, is that the virus - if given enough opportunities - will change into a form that is highly infectious for humans and spreads easily from person to person.
第二个风险，或人们更忧虑的是，病毒如果有足够的机会，可能将变异为对人类更具传染性的类型，在人与人之间迅速传播。
ACAT2 is one of three enzymes that can change cholesterol into a form that can be more easily carried in blood.
ACAT 2是将胆固醇转变为在血液中更易转运的形式的三种酶之一。
Thereupon the doctor asked him to change into his true form. The doctor seized a centipede from the scales around the waist of the Dragon King.
于是，医生让龙王变回真身，然后从龙王腰部的龙鳞下面揪出一直蜈蚣。
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