arm-arms手臂 ear-ears耳朵 eye-eyes眼睛 foot-feet脚 hand-hands leg-legs tooth-teeth牙齿 back-backs背 head-heads头 mouth-mouths嘴巴 neck-necks脖子 nose-noses鼻子 stomach-stomachs胃，腹部。
四级核心词汇及高频词汇表1.alter v. 改变，改动，变更2.burst vi.n. 突然发生，爆裂3.dispose vi. 除掉；处置；解决；处理(of)4.blast n. 爆炸；气流 vi. 炸，炸掉5.consume v. 消耗，耗尽6.split v.
