灵敏

狗gǒu的de嗅觉xiùjué灵敏língmǐn。

Dogs have a keen sense of smell.

盲人mángrén的de耳朵ěrduo通常tōngcháng十分shífēn灵敏língmǐn。

A blind person's hearing is often very acute.

狗gǒu的de听觉tīngjué比bǐ人类rénlèi灵敏língmǐn不知bùzhī多少duōshǎo倍bèi。

The hearing acuity of dogs is superior by far to that of humans.

玩wán这些zhèxiē电脑diànnǎo游戏yóuxì要yào反应fǎnyìng灵敏língmǐn。

You need to have quick reactions to play these computer games.