deck line

例句：

1. 1. The ship's deck line is a crucial safety measure.
   船舶的甲板线是一个重要的安全措施。
2. 2.The captain made sure the deck line was secure before leaving the dock.
   船长确保在离开码头前，甲板线是安全的。
3. 3.The crew members were carefully checking the deck line to ensure it was in good condition.
   船员们仔细检查甲板线，确保其处于良好状态。