A transparent cover is provided to protect the disc against accidental marking or smudging.圆盘外有透明的防护罩,以免偶然在圆盘上弄上污点或线迹.Consider phthalates, those chemicals that help preent makeup from smudging.如酞酸盐, 这些化合物用于帮助化妆品防止脱落.As i...
疟疾突然又在全世界流行起来。Malaria is bursting out again all over the world.盼望有一天有人会研制出一种能有效预防疟疾的疫苗。Roll on the day someone develops an effective vaccine against malaria.他们已经在努力消灭疟疾、破伤风等疾病。They are already battling to eradicate illne...
the mass exodus from Paris to the country in the summer夏日大批人从巴黎外出到乡村The medical system is facing collapse because of an exodus of doctors.由于医生大批离去，医疗系统面临崩溃。Every summer there is an exodus from the city.每年夏季都有很多人成群离开这座城市....