?? 詞語組成解析
n. 卡爾（男子名, 等于Charles）
[計] 開放網(wǎng)絡(luò)文件系統(tǒng)
n. 磨杵, 粉碎機(jī), 研磨機(jī)\\n[醫(yī)] 平底乳缽(研磨器)
??? 情景例句
Life has its ups and downs, but it certainly has its rewards.
人生有沉也有浮，但是無論怎樣都確有其價值。
Would you mind if I opened the window?
我開窗，可以嗎？
Who's that boy over there?
那邊的那個男孩是誰？