如果你有一头卷曲的长发，不要剪掉。If you have long curly hair, don't shave it off.他一头柔软卷曲的黑发，眼睛又黑又亮。He had fuzzy black hair and bright black eyes.埃丽卡表情严肃，扯着自己卷曲的金发。Erica was solemn, pulling at her blonde curls....
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...
这个队伍的丰富经验和表现出来的实力是众所公认的。Few would argue that this team has experience and proven ability.黄油、人造黄油和多脂鱼都含有丰富的维生素D。Butter, margarine, and oily fish are all good sources of vitamin D.浅海床提供了丰富的食物。The shallow sea bed yields up ...