Tā dēnglún qián xiàng sòngxíng de jiārén huīshǒu gàobié.
Before boarding the ship, he waved goodbye to his family seeing him off.
Tips
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Formal/written term used in shipping notices and travel announcements. In speech, 上船 (shàngchuán, 'go up + ship') is far more common.
memory
登 (dēng) means 'ascend/board' (also in 登机 dēngjī 'to board a plane'). 轮 (lún) here is short for 轮船 (lúnchuán, 'steamship') — the wheel paddles of early steamers gave the ship its name.
