This discolouration is completely harmless.这种变色是完全无害的.Dual - action toothpaste with Xylitol and baking soda to remove stains and surface discolouration from teeth.这种双重作用的牙膏,含有木糖醇和小苏打,能清除牙齿表层的污垢和污色.Discolouration of silve...
Talbot, Mastiff and Greyhound - Courage, vigilancy and loyal fidelity.塔尔博特犬 、 马士提夫獒犬、灵(犭是)-勇气 、 警惕以及对信念的忠诚.His vital and cheerful manner filled the whole team with courage.他那充满生机、欢快的态度使整个队伍充满了勇气。indomitable courage不屈的勇气G...
600艘海盗船袭击汉堡, 汉堡惨遭焚烧.Six hundred Viking boats attacked Hamburg , which was set on fire.海盗船强行靠近快艇.The pirate ship boarded the clipper.海岸炮兵向海盗船开火.The shore batteries fired at the pirate boat....
乳糖是乳的主要碳水化合物.Lactose is the main carbohydrate occurring in milk.乳糖产生葡萄糖和半乳糖.Lactose gives glucose and galactose.碳水化合物部分由半乳糖,葡糖胺, 岩藻糖和唾液酸组成.The carbohydrate portion is made of gala ctose, glucosamine, fucose and sialic ac...
这条河水流湍急，变幻莫测。The current of the river is fast flowing and treacherous.一道拦河坝将会在上游拦住水流，抬升水位。A barrage would halt the flow upstream and lift the water level.这对夫妻被巨大的水流卷走了。The couple were swept away by the strong current....