1.sibling n. 兄弟姐妹
I have two brothers and a sister: three siblings in all.
我有兩個哥哥和一個妹妹: 共有三個兄妹.
2.sawmill n. 鋸機, 鋸木廠
There are many sawyers in that sawmill.
那家鋸木廠有很多鋸木工。
3.trooper n. 騎兵, 傘兵, 運兵船
He became a trooper in the Royal Tank Regiment.
他當上了皇家坦克團的裝甲兵。