1. insufficient a. 不充分的,不足的

The supply of sedment is insufficient to offset the rate of subsidence.
沉积物的补给不足以抵偿沉降的速率。

2. vault n. 地下储藏室,地窖

She put her jewels in a vault at the bank.
她将珠宝放在银行的金库里。

3. urgency n. 紧急;迫切

This is a signal of the urgent urgency from Field Army Headquarters.
这里野战军首长拍来的十万火急的电报。

4. fatal a. 命运的;决定命运的

A benign tumour will not cause you any fatal harm.
良性肿瘤不会对你有致命的伤害。