Polysography
[醫] 重復造影術
??? 情景例句
He is a tremendous walker.
他很能走路。
Skiing is such a difficult sport that it's more work than play.
滑雪是非常困難的運動，真所謂工作高于游戲呀。
The guards couldn't have been watchig very carefully.
警衛不可能一直認真地查看。