· There'd = There would
"The Cape Jaffa Lighthouse was built in the 1870s in South Australia. It was run by three families, there'd be two on the light and one on the shore."
“19世纪70年代, 贾伐角灯塔(The Cape Jaffa Lighthouse)于南澳州建立。当时由三个家庭看守，会有两个家庭在灯塔上值守，一个家庭在海岸上留守。
- They'd = They would
"They'd be out there in the lighthouse for three months."
- He'd = He would
"There was always a person who was not on duty. When it was his turn, he'd come out and look after the lighthouse."