考研Most leading retailers have already tried e-commerce, with limited success, and expansion aboard.

大多数领先的零售商已经尝试过电子商务，但成效有限，并在海外扩张。

四级But not all were eager to jump aboard.

但并不是所有人都急于跳上飞机。

四级The two patients aboard will be transported to a medical facility that can provide a level of care that is not available at Amundsen-Scott.

船上的两名患者将被送往一家医疗机构，该机构将提供阿蒙森·斯科特无法提供的护理水平。

六级The notion of space tourism took hold in 2001 with a $20 million flight aboard a Russian spacecraft by Dennis Tito, a millionaire engineer with an adventurous streak.

2001年，丹尼斯·蒂托（Dennis Tito）乘坐一艘俄罗斯宇宙飞船，耗资2000万美元，成为一名富有冒险精神的百万富翁工程师，太空旅游的概念开始深入人心。

六级The notion of space tourism took hold in 2001 with a $20 million flight aboard a Russian spacecraft by Dennis tito, a millionaire engineer with an adventurous streak.

2001年，丹尼斯·蒂托（Dennis tito）乘坐一艘俄罗斯宇宙飞船，耗资2000万美元，成为一名富有冒险精神的百万富翁工程师，太空旅游的概念开始深入人心。

高考After boats began flying special flags noting the inspector was aboard, the keeper's family made it a game to see who could notice the boat first.

在船上开始悬挂特别的旗帜，表明检查员在船上之后，看守人的家人就开始玩游戏，看谁能首先注意到船。