Scientific achievements教案
a military breakthrough 軍事突破
a scientific breakthrough 科學成就
20.enable
en-使+able能……的
enrich enlarge
strengthen strength(力量)+ en (使) vt 加強，增強 vi 變強
they strengthened the city wall..
the wind strengthened.
deep--deepen
sharp—sharpen
wide--widen
21. organ n 器官；風琴；機構，機關
the eyes are the organ of sight.
state organs
a government organ
adj organic 有機物的；有機體的
n organism (c)生物，有機體，有機組織
vt organize 組織
n organization 團體，機構，組織
22. put forward 提出（建議、意見）；推薦，提名
he put forward a better plan.
we put her forward as chairman of the committee.
23. aim (sth) at sth/doing sth (把……)瞄準；目的在于；企圖
he aimed his gun at the target.
those girls worked out every morning, aiming at losing weight.