初等: elementary (i.e. easy)...
堤坝: dam, dike...
雷达: radar (loanword)...
局面: aspect, phase, situation...
卸: to unload, to unhitch, to remove or strip, to get rid of...
型号: model (particular version of a manufactured article), type (product specification in terms of color, size etc)...
获奖: to win an award...
废除: to abolish, to abrogate, to repeal...
冷门: a neglected branch (of arts, science, sports etc), a complete unknown who wins a competition...
涉及: to involve, to touch upon (a topic)...
