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
and the problem is that it's set up primarily for kids to play.
而问题是它主要是让孩子们去玩的。
The doctor said it's just a slight infection, There's nothing to worry about.
医生说只是轻微的感染，不需要担心。
You see, it's easy. Run! Good!
你看，挺简单的，跑起来，好！