Deltoideus
[医] 三角肌
🗣️ 情景例句
John, what are you going to do?
约翰，你要干嘛？
He always comes rushing up at the last moment.
他往往到最后的一瞬间才急忙赶来。
drawing the particle first towards the advancing wave,
先把微粒拉向前移的海浪，