?一：lack是什么意思？

lack是一個(gè)英語(yǔ)單詞，意為“缺乏”、“不足”。它可以作為名詞或動(dòng)詞使用。

用法：

1. 作為名詞，表示某物或某種情況的缺少。常與介詞of連用。

2. 作為動(dòng)詞，表示缺乏某物或某種情況。

例句1-5句且中英對(duì)照：

1. The company is facing a lack of funds for its expansion plan. 公司面臨著擴(kuò)張計(jì)劃資金的不足。

2. The country is suffering from a lack of natural resources. 這個(gè)正遭受著自然資源的匱乏。

3. She complained about the lack of support from her colleagues. 她抱怨同事們?nèi)狈χС帧?/p>

4. The team's poor performance is due to the lack of proper training. 團(tuán)隊(duì)表現(xiàn)不佳是由于缺乏適當(dāng)?shù)挠?xùn)練。

5. His lack of experience in this field makes him unsuitable for the job. 他在這個(gè)領(lǐng)域的經(jīng)驗(yàn)不足使他不適合這份工作。

四：同義詞及用法：

1. Shortage：意為“短缺”，指某物數(shù)量不夠。與of連用，常用于非正式場(chǎng)合。

例句：There is a shortage of food in the disaster area.

2. Deficiency：意為“缺陷，缺點(diǎn)”，指某物不足或不夠完善。常與in連用。

例句：The deficiency in his work caused him to lose the promotion.

3. Insufficiency：意為“不充分，不足”，指某物數(shù)量或水平不夠。常與of連用。

例句：The insufficiency of evidence led to the suspect's release.

4. Scarcity：意為“稀缺，缺乏”，指某物供應(yīng)量有限。常與of連用。

例句：The scarcity of water resources is a major problem in this region.