词根：-press-“挤压，逼迫”

词根：press = to press,to force 表示“挤压;逼迫”
pressing['presin]a.急迫的(press+ing)
pressure[ 'prefə] n. 压力 (press + ure)
compresskem'pres]v.压缩(com加强+press→压缩)
compressible[km'presebl]a.可压缩的(com+press+ible)
compression[kmprefn]n.压缩(com+press +ion)
depressdi'pres]v.压下;使沮丧(de向下+press→向下压→使情绪
低下)
depression[di'prefən]n.沮丧;萧条(depress+ion)
express[ik'spres]v.表达(ex出+press→把[思想]挤出来→表达)
第二部分 通过词根认识单词(常用词根一)
expression[ik'spreJən]n.表达;表情(express+ion名词后缀)
impress[im'pres]v.盖印;留印象(im进入+press→压进去→盖印)
impression[im'prefn]n.印象;感想(impress+ion)
impressive[im'presiv]a.给人深刻印象的(impress+ive)
oppress[əpres]v.压迫，虐待(op加强+press→拼命压→压迫，虐待)
oppression[əprefn]n.压迫;苦难(oppress+ion)
repress[ri'pres]v.镇压;抑制(感情)(re回+press→压回去→镇压;
抑制[感情〕)
suppress[sapres]v.镇压;忍住(眼泪等)(sup下+press→压下去→
忍住;镇压)
suppression[seprefn]n.镇压(suppress+ion)