你过生日想要一条琥珀项链 吗 ?Would you like an amber necklace for your birthday?破云而出的阳光透过窗户送来一束琥珀色的光线。A burst of sunshine sent a beam of amber light through the window.展出的有用玉石 、 琥珀和紫水晶做的耳环 、 项链和手镯.On display are earrings, necklaces a...
The room was pleasantly warm.这个房间温暖惬意。We talked pleasantly of old times.我们愉快地谈着过去的时光。a pleasantly somnolent effect宜人的催眠效果The countryside undulates pleasantly.原野起伏，景色宜人。She was cheerful and polite, and conversed with me p...
A hydrocracking catalyst with high selectivity to middle distillates was developed.开发了一种具有较高的中油选择性的加氢裂化催化剂.Abstract: Typical failures in domestic fixed bed hydrocracking uni t over the years were summarized.文摘: 总结了我国固定床加...