Gravitational force
引力, 重力, 地心吸力
🧩 词语组成解析
gravitational
['grævə'teiʃənəl]
adj. 万有引力的，重力的;地心吸力的;
force
[fɔ:s]
n. 力;武力;（社会）势力;魄力;
vt. 强迫;强行;促使，推动;强奸;
🗣️ 情景例句
I'm glad to meet you.
很高兴认识你。
A book is the same today as it always was and it will never change.
一本好书今天如此，将来也如此，永不改变。
It was half past four. Everything was ready.
一切都准备好。