abbr. 史密斯索尼安热带研究所(The Smithsonian Tropical Research Institute);英国运动场草坪研究所(The Sports Turf Research Institute);瑞典输电研究院(Sweden Transmission Research Institute)
🗣️ 情景例句
You'd better hurry, Robbie.
你最好快点, Robbie。
I'm twenty-one years old.
我21岁。
I'm sorry to burst in on you like this, but I'm really upset.