?縮減的意思是指減少或削減某物的數量或規模，使其變得更小或更少。

用法：

縮減可以作為動詞或名詞使用。作為動詞時，通常接受一個賓語，表示對某物進行縮減；作為名詞時，則表示被縮減的狀態或過程。

例句1：The company plans to reduce its workforce by 20% in order to cut costs.

這家公司計劃裁員20%，以降低成本。

例句2：We need to shorten the length of the meeting in order to save time.

我們需要縮短時間，以節省時間。

例句3：The government has implemented measures to decrease pollution levels.

已經采取措施來降低污染水平。

例句4：The teacher asked the students to condense their essays into a shorter version.

老師要求學生將論文壓縮成較短的版本。

例句5：The company is facing financial difficulties and needs to downsize its operations.

該公司面臨財務困難，需要縮小其業務范圍。

同義詞及用法：

1. Reduce (v.): 減少、降低

2. Decrease (v.): 減少、降低

3. Cut (v.): 削減、刪減

4. Condense (v.): 壓縮、濃縮

5. Downsize (v.): 縮小、裁減規模