vt.& vi. 運轉;操作;經營;管理;
vi. 開刀;(對…)動手術;動手術;(在某地)采取軍事行動;
vt. 操作,控制,使運行;
?? oper工作 + ate 表示做、造成 → vi.操作;施行手術
"The unit is comparatively easy to install and cheap to operate."
這種設備比較容易安裝而且用起來便宜。
近義:manage, run, control, direct, perform, work
反義:perish, quit, spoil, stop, wrack, wreck
adv. 適當地;恰當地;正確地;完全,非常;
?? proper 恰當的 + ly 表示如...的、有...特征的、屬于...的 → adv. 適當地;正確地;恰當地
"How much money do we need to do the job properly?"
我們需要多少錢才能做好這件事?
近義:appositely, appropriately, aptly, aright, justly, particularly
反義:inadequately, inappropriately, naughtily, unsuitably