Poid
形心(曲线), 拟正弦线, 膺正弦线, 瞬心轨迹
🗣️ 情景例句
I always take good care of my body.
我总是很关注身体健康。
I got a bonus.
我得到了一份红利。
I'm feeling thirsty, too! said Meimei. Look, it's noon already! Let's go and have a drink!
“我也口渴了！”梅梅说，“瞧，已是中午了！我们去喝点东西吧！”