Jacob's staff
na. 香客杖；(测量器的)支架；测高器；测距器\\n
🧩 词语组成解析
staff
[stæf]
n. 参谋;全体职员;管理人员;权杖;
adj. 行政工作的;参谋的;职员的;作为正式工作人员的;
v. 在…工作;为…配备职员;任职于;
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
You can't make bricks without straw.
没有稻草，制砖难搞。
As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape.
由于全国动物园没有一家报告丢了美洲狮，因此那只美洲狮一定是某位私人收藏豢养的，不知怎么设法逃出来了。