hat their iron weapons allowed them to conquer their hunting…gathering opponents; who still used stone implements。 這些人為什麼以及如何到達非洲中部和南部一直是個謎,但是考古學家們堅信是他們的鐵製武器使他們征服了那些依舊使用石器狩獵的對手。
同義 instrument(n。 工具)
influence['influ?ns]n。 影響 v。 影響;感化
例句 1。 Animals have internal clocks which influence their activities even when environmental cues are absent。 動物都有生物鐘,即便是當環境線索缺失時也可以影響它們的活動。
2。 Pastoralists are highly mobile and tend to have tiny material possessions; but they can influence the culture; ecology; and language。 牧民遷移頻繁,而且僅有少量的物質財產,但他們能影響文化、生態以及語言。
要點 influence常用於描述新技術或新事物對傳統生活的影響。如:There were two widely divergent influences on the development of statistical methods。
同義 effect(n。 影響);affect(v。 影響)
innovation[?in?'vei?n]n。 新方法;新事物;革新
例句 1。 Because the interest in developing and introducing sound in film is intense; the general use of other technological innovations was delayed。 由於人們對為影片加入聲音有著強烈的興趣,所以其他的技術創新沒有及時被普遍使用。
2。 The extensive development of agriculture was often acpanied by a great movement of people who had carried the innovations。 農業的廣泛發展通常伴隨著一次偉大的運動,而這樣的運動是由掌握革新技術的人們發起的。
同義 reformation(n。 改革)
input['input]n。(電路、電壓或功率)輸入;投入;輸入物
搭配 input power 輸入功率
例句 1。 Through measuring the water quantities at each of a lake's inputs and outputs; it could be determined whether water enters the lake mainly from surface or groundwater sources。 透過測量流入和流出每個湖的水量,可以判定流入湖裡的水源主要來自地表還是地下。
2。 Glaciers are an open system; with snow as the system's input and meltwater as its output。 冰川是開放的體系,降雪是該體系的輸入來源,而融水則是輸出的水源。
insert[in's?:rt]v。 插入
搭配 insert into 寫入
例句 Please use your hands to insert the keys in the locks。 請用手把鑰匙插到鎖裡。
insulate['ins?leit]v。 使隔離,使隔絕
例句 1。 All the