ship observation

例句：

1. 1. The captain made a ship observation before setting sail.
   船长在启航前进行了一次船舶检查。
2. 2. The scientist conducted an observation of the stars during the night sky observation.
   科学家在夜晚观测星空时进行了一次观察。
3. 3. The engineer performed a ship observation to ensure the safety of the passengers.
   工程师进行船舶检查以确保乘客的安全。