The new trainees are still very green.

这些受培训的新学员还很不成熟。

We've taken our full complement of trainees this year.

我们今年接收的实习生已满员。

The trainees will then be paired with experienced managers.

这些实习生之后将被配给有经验的经理们。

Trainees should be invited to relate new ideas to their past experiences.

应该要求实习生把新想法与他们的以往经历相联系。

At Space Camp, trainees can earn their Space Exploration badge as they build and fire model rockets.

在太空营，学员可以制作和发射火箭模型，以此获得太空探索徽章。