adj.表面上的;假装的;貌似真实的;
例句:
He resigned secretaryship on the ostensible ground of health.
他借口身体不好,辞去书记的职务.
His ostensible purpose was charity, his real goal popularity.
他表面的目的是做善事, 实际目标是获得声望.
Troops were sent in, ostensibly to protect the civilian population.
谎称为保护平民而派驻了军队。