Twelve potential vaccines are currently being tested on human volunteers.目前正在人类志愿者身上试验12种试用疫苗。Anti-malarial vaccines are now under-going trials.抗疟疾的疫苗正在试验阶段。His team are at the forefront of scientific research into vacci...
她的头发是褐色[栗色]的.Her hair is a chestnut color.栗色鞋带,栗色的内衣.Il avait choisi des bordures or ange pour son graphique.我宁愿说她的头发是栗色的,而不愿说她的头发是棕色的.I call her hair chestnut rather than brown....
Always buy a heater with thermostat control to save on running costs.始终购买可调温度的取暖器以节省使用成本。If our environment cools, then messages from the skin alert the body's thermostat.如果外在环境变冷，体表会将这一信息传递给身体的体温调节中枢。The thermostat...