Gravity meter
重差计，重力仪
🧩 词语组成解析
🗣️ 情景例句
He owes his wealth to diligence and good luck.
他的财富是由于他的勤劳和幸运。
Science is organized knowledge.
科学是系统化的知识。
Aunt Harriet could not find words to praise Bessie's industriousness and efficiency.
哈丽特不知该用什么言辞来赞扬贝西的勤奋与高效。