British regulations are also being toughened.英国的规章也正在变得更加严格。You can crack this toughened glass, but you can't break it.这种韧化玻璃只裂不碎.Only by taking part in practice can the young people be toughened and hardened into s...
The silica powder toughened is an electrician filler of toughness epoxy for epikote developing.增韧硅微粉是为增韧环氧树脂而研制开发的一种电工级专用填料.Only by taking part in practice can the young people be toughened and hardened into steel.年轻人只有通...
Joy was weeping too, but as a bystander she kept her wits about her.小福子也落着泪, 可是处在帮忙的地位,她到底心里还清楚一点.She had thought to remain a bystander.她想保持局外人的角色.It looks like an innocent bystander was killed instead of you.看起来是一个无辜的旁观...
The coelacanth inhabits the deep sea.腔棘鱼栖息于深海.The Coelacanth has very large eyes and distinct silver blue scales with white markings.它们有很大的眼睛和独特的蓝色带白斑的鳞片....