1·The awakening was almost feline in its stealthiness.
这种醒觉，简直和猫的脚步一样地轻悄。
2·The remotely controlled mini attack boat has the advantages of small sizes, fast speed, high striking power, easy deployment, good stealthiness, low cost and so on.
微型遥控攻击艇具有体积小、速度快、攻击威力大、布放容易、隐蔽性好及价格低等特点。