1.at sea 在海上

例句：The airship circled at sea.
飞艇在海面打圈子2g#&[!-N(J!E(MqYhDB。

2.attempt to 尝试

例句：“We shall attempt to answer it in this book, ” he wrote.
“我们将试图在这本书中回答这个问题”，他说道[#KpVQaBtO!~1iCjp+f。

3.communications satellite 通信卫星

例句：Real-time demonstrations of the applications via communications satellite were also given.
还举办了通过通信卫星进行的实时应用演示F,~.DklHLeW%([o8。

4.separate with 分离

例句：You see, I don't want to separate with you.
你知道，我不想和你们分开*.P.7ZcB4k;*Ca5~。