Crepuscular , the setting sun lies lackadaisically horizon, incompact give out gentle ray slow.黄昏, 夕阳懒洋洋的卧在天边, 不紧不慢地发出暖和的射线.Bats are crepuscular creatures.蝙蝠是在黎明或黄昏时分活动的动物。Arriving home already was crepuscular, parents d...
Not once have the workers of our factory succeeded in inventing new machines, but many times.我们厂的工人们成功地发明新机器已经不止一次了, 而是许多次了.Crusoe spent his time as a castaway building and inventing.克鲁索过着不断建造和发明的漂流者的生活.People are invent...
Objective To investigate the non - alkaloid constituent of Hippeastrun vittatum ( Amaryllidaceae ).目的研究 石蒜 科植物 花朱顶红中非生物碱类成分.I am a private collector of Amaryllidaceae.我是一名收藏石蒜的私人收藏家.Molecular Cloning of a Novel Mannose -...
中子和质子构成了原子核.The neutrons and protons form the core of the atom.原子核由中子 、 质子和其他粒子构成.The nucleus of an atom consists of neutrons, protons and other particles.我对原子核物理学一窍不通.I'm out of my depth when it comes nuclear physi...
使用一次性餐巾纸更为卫生.It's more hygienic to use disposable paper tissues.信封下面还有他的银手镯,包在餐巾纸里.His silver bracelet was wrapped in tissue paper at the bottom of the envelope.他们发明了液体吸附能力很强的餐巾纸.They developed paper napkins with a ...