He swore in Spanish, another indication that he was rattled.他用西班牙语破口大骂，这再次表明了他极为烦躁。Kelly swore quietly, looking at the deep cut on his left hand.凯利看着自己左手上深深的伤口，嘴里暗骂了一句。We both swore we'd be friends ever after.我俩都发誓从...
Conclusion The late efficacy of mitral annuloplasty using prosthetic ring is satisfactory.结论对于有瓣环扩大的二尖瓣成形术,应用人工瓣环,近期和远期临床效果均满意.Percutaneous annuloplasty has the potential to serve as a therapeutic adjunct to standard med...
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.中子就是原子核里不带电的粒子。A neutron is simply a neutral particle in the nucl...