英语词型转换答:2. n./adj.+ en --- v. 使...soften, shorten, widen, threaten, sharpen.3. en + n. ---v. 使成为...endanger, enjoy, enlarge, enrich, enable,4. n. /adj. +fy---vt. 使…beautify, specify, simplify,变成名词 --ment: movement, development, payment, retirement, excite...