Astaxanthin molecular structure which contains 13 conjugated double bonds, is one kind of extremely unsteady carotenoid.虾青素分子结构中含有13个共轭双键, 是一种极不稳定的类胡萝卜素.This article reviews the research progress of astaxanthin in the la...
即使通宵不眠,我也要把这台收音机修好.I will make this radio work even if I have to stay up all night.医生们对他的奇异的不眠感到疑惑.The doctors were puzzled by this strange continuous sleeplessness.医生们不眠不休地为遏止传染病而工作.The doctors worked around the clock t...