内容正文:
人教版2019必修三unit4单词讲解
astronaut (n.)字航员;太空人
词组:
space astronaut (太空航员),
astronaut training (航天员训练),
astronaut suit (太空服)
例句:Neil Armstrong became a famous astronaut after he walked on the moon.(尼尔·阿姆斯特朗在登上月球后成为著名的宇航员。)
同义词:space traveler, cosmonaut
procedure (n.)程序;步骤;手续
词组:medical procedure (医疗程序),
legal procedure (法律程序),
standard procedure (标准操作)
固定搭配:follow a procedure (按照程序进行), go through the procedure (完成手续)
例句:Before surgery, the doctors explained the procedure to the patient.(手术前,医生向患者解释了手术的步骤。)
反义词:disorder, chaos
同义词:process, method, protocol
mental (adj.)精神的;思想的
词组:mental health (心理健康),
mental capacity (智力能力),
mental illness (精神疾病)
固定搭配:mental state (心理状态),
mental faculty (智力能力)
例句:It's important to take care of your mental well-being as well as your physical health.(关注心理健康和身体健康同样重要。)
反义词:physical, bodily
同义词:psychological, cognitive, intellectual
cm (abbr.)厘米
词组:cm ruler (厘米尺),
10 cm (十厘米),
cm measurement (厘米测量)
固定搭配:none
例句:The length of the table is 120 cm.(桌子的长度是120厘米。)
同义词:centimeter, centimetre
intelligent (adj.): having or showing intelligence or mental acuteness
词性:形容词
词组:intelligent person (聪明人), intelligent decision (明智决定), intelligent design (智能设计)
固定搭
rocket (n.)火箭;火箭弹
词组:space rocket (太空火箭),
rocket launch (火箭发射),
rocket propulsion (火箭推进)
固定搭配:launch a rocket (发射火箭), rocket science (火箭科学)
汉译:
例句:The rocket blasted off into the sky with a loud roar.(火箭发射后以巨大的轰鸣声冲向天空。)
同义词:missile, spacecraft, projectile
gravity (n.)重力;引力
词组:zero gravity (失重状态),
gravity field (重力场),
gravity pull (重力吸引)
固定搭配:falling due to gravity (因重力下落), escape gravity (逃离重力)
例句:The gravity on the moon is much weaker than the gravity on Earth.(月球上的重力比地球上的重力要弱得多。)
反义词:weightlessness, levity
同义词:attraction, gravitational force
frontier (n.)边境;国界;边远地区
词组:western frontier (西部边疆),
the final frontier (最后的边界),
expanding frontiers (不断扩展的领域)
固定搭配:cross the frontier (越过边境), push the frontier (拓展边界)
例句:The pioneers settled on the frontier and built a new community.(开拓者在边境定居并