Be sure to select firm, unblemished fruit.一定要选坚实、无疤痕的果子。Ghana does not have an unblemished record on human rights.加纳在人权方面并非毫无瑕疵。...an open field of unblemished snow.皑皑白雪覆盖着的一片旷野...Lee's unblemished reputation as a m...
I cannot forget the hurtful things he said.我无法忘记他的那些伤感情的话。There is no need to make such hurtful remarks.没有必要说这些伤感情的话。A deceitful peace is more hurtful than an open war.虚假的和平比公开的战争危害更大.Uprooting the hurtful action or even...
Getter - ion pumps decrease chamber pressure by chemical reaction of residual gases with an evaporated metal.吸气离子泵通过剩余气体与蒸发的金属之间的化学反应减少了内腔的压力.Recent electronic means of pumping using low temperature sorption techniques a...