engine 发动机 engineer infect v
infection n
infectious adj
scientific a
科学的 science scientist n
examine v
检查 exam --- examination n
conclude v
conclusion n
analyse v
analysis n
dead a
死的 deadly a
致命的 death n
dying 垂死的 valuable a
valueless a
value n
增加 addition n
in addition --- besides (that) / apart from / what’s morecertain adj
certainly adv
certainty n
announce v
宣布 announcement n
instruct v 指示
instructive a
instruction n
construct v
建设 constructive a
construction n
contribute v
贡献 contribution n
creative a
有创造力的 create v
creation n
co-operative a
合作的 operative a
operate v
operation n
revolutionary a
革命的 revolution n
calculate v
计算 calculator n
calculation n
move v
运动 movement n
backward 向后地 forward upward downward northward
