Contrastol
溴化油造影剂
🗣️ 情景例句
And tell them you want to go on the tour that goes down into the canyon.
跟他们说你要参加到峡谷里去的旅游团。
To watch the accident
观察意外事故的现场
Which person do you think is qualified for the job?
你认为哪一个人能胜任这份工作？