红色食物着色剂red food colouring着色剂组合物可以是液体或固体组合物.The colorant composition may be a liquid or a solid composition.粉末状的着色剂需要使用能够保持或转移电荷的纸张.Powdered colorant need to keep the paper, or transfer charge....
I think I found it easier than Nell to keep our engagement quiet.我觉得，我比内尔更容易守得住我们订婚的秘密。Nell was plucking a harp.内尔在弹奏竖琴。He remained impervious to all Nell’s sulks and blandishments.对尼尔的愠怒和甜言蜜语,他都无动于衷。He remained impervio...
Astronauts in flight must adjust to weightlessness.宇航员在飞行中得适应失重状态.Objective To observe bone mass changes during convalescence after simulated weightlessness.目的观察模拟失重恢复期骨质的变化.To apply engineering Methods : To the study of...
其理自明.The principle involved is obvious.含义自明,无须多说.This point is self - evident and needs no elaboration.自明便是真理, 这一点一定要坚持.Truisms are true, hold on to that!...