Rectus femoris
[解剖] 股直肌
🧩 词语组成解析
[医] 直的, 直肌
[医]（拉）股
🗣️ 情景例句
And if I think about it long enough, you never know ...
如果我一直考虑下去的话 ，说不定……
A chain is no stronger than its weakest link.
链条的坚固程度取决于它最薄弱的环节。
I often watch TV, but sometimes I read.
我经常看电视，有时看书。