例句:Officials said there were no survivors of the plane crash.
官方说这次飞机失事无一人生还。

2.flight crew 机组人员

例句:Flight crew and autopilot control actions are also recorded.
机组人员和自动驾驶仪的操作也被记录下来。

3.mechanical failure 机械故障

例句:The breakdown was due to a mechanical failure.
抛锚是机械故障造成的。

4.go into a tailspin 陷入困境

例句:Do not lose your peace of mind over stock market unless the markets go into a tailspin.
不要失去你的心态平和了股票市场，除非市场陷入困境。