钻石切割靠的是工匠的技艺。The cut of a diamond depends on the skill of its craftsman.有人偷了某个影星的钻石了吗?Has somebody helped himself to some film star's diamonds?他们被满橱窗陈列的钻石和皮草弄得眼花缭乱。They were dazed by window displays dripping with di...
Diffusional limitations and slow significant chemisorption processes may not be readily detected.扩散控制和显著缓慢的化学吸附过程是不易检测的.Its common useis in conjunction with selective gas chemisorption for verification of metal surface a...