拿着雨伞的那个人准是首相.The man with the umbrella will be the Prime Minister.你能从100把雨伞中认出你的那一把吗?Could you identify your umbrella among a hundred others.你带雨伞很明智.It was very sensible of you to bring your umbrella....
In China the custom prevails in eating dumplings on New Year's Eve.在中国,除夕晚上吃饺子的风俗很盛行.This fashion still prevails.这种式样仍在流行.Very great excitement prevails throughout the country.全国到处洋溢着极度兴奋的情绪....
Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The blended chips containing 10 % ~65 % of n - Eicosane were fabricated with n - Eicosane, polyethylene ( PE ) and ethylene - propyl...