ascertain

过去式：ascertained

过去分词：ascertained

现在进行时：ascertaining

词形变化：

形容词: ascertainable | 副词: ascertainably | 名词: ascertainableness | 动词过去式: ascertained | 动词过去分词: ascertained | 动词现在分词: ascertaining | 动词第三人称单数: ascertains |

同义词：

rise | ascension | gradient | incline | elevation | acclivity | upgrade | advancement | progression | increase | heightening | augmentation | slope | ladder | climb | mounting | scaling | rake | angle | upward | ascending | raise | rising |

反义词：

descent |

词义辨析：

同义:

vt.确定; 探查

learn

solve

determine

clear up

find out

discover

同义参见:

find

appraise