As she spoke, the rims of her eyes reddened a little.说时, 眼圈微红.Her eyes were a little hollow, and reddish about the rims.她的眼睛微微凹陷, 眼眶有些发红.We also carry tyres and rims for trailers and heavy duty trucks.此外,我们还提供挂车及重型汽车轮胎和轮...
Until today germanium is the present substance on earth with no exception.直至今天锗才毫无异议地成为地球上是纯净的物质.Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.D...