Tricep
n. 肱三头肌
🗣️ 情景例句
Well, it won't be easy.
嗯， 不很容易。
Not only did he make a promise, but he also kept it.
他不仅许下诺言，而且遵守了。
At the base of the gold cap, the words 'made in the U.S.A' had been nearly inscribed.
笔帽下方整齐地刻有“美国制造”字样。