篩選;審查

例句 1。 The new technological and aesthetic developments included the use of color; new screen formats; and television。 新的技術和美學發展包括顏色的使用、新的螢幕格式和電視機。

2。 Camera at that time was a boxlike device that used a pinhole or lens to throw an image onto a ground…glass screen or a piece of white paper。 那個時代的照相機是一種類似盒子的裝置,透過針孔或透鏡將影像投射到毛玻璃螢幕或一張白紙上面。

3。 She methodically screened and cultured some of the soil samples and then sent them to her partner。 她系統地篩選並培養了一些土壤的樣本,然後把它們送到了合作者那裡。

要點 screen在介紹計算機等電子產品的時候十分常見,但它還可以表示“審查;篩選”。

seasonal['si:z?nl]a。 季節的;隨季節而變化的;週期性的

例句 1。 The changes in daily and seasonal climates occurred before the retreat of the seas back into the major ocean basins。 日常和季節性的氣候變化發生在海水退回到主要的海洋盆地之前。

2。 The warming or cooling of the Earth; changes in seasonal fluctuations or ocean currents and changing positions of the continents are supposed to be the reason of the mass extinction。 地球變暖或變冷,季節性變動或洋流的改變,以及大陸板塊位置的改變都被認為是大滅絕的原因。

secure[s?'kjur]v。 獲得;確保

例句 1。 By singing loudly; the birds could possibly secure more food and result in faster growth or larger size。 透過高聲鳴叫,鳥兒或許可以得到更多的食物,這樣就可以生長得更快,體型也變得更大。

2。 Although dry periods forced people to move south; they returned once their food supply was secured。 儘管乾旱期迫使人們向南遷移,但是當糧食的供應得到保障時,他們就會返回。

3。 The situation required that they must exploit larger areas of land to secure the same amount of food; clothing; and other necessities。 形勢要求他們必須開發更大面積的土地以保證獲得相同數量的