Sorry, I don't quite understand why...
对不起，我不太理解为什么…
疯狂英语拿手好戏卡
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📚 句中词汇解析
从本句中提取的重要词汇
vt.& vi. 懂，理解;
vt. 了解;默认;听说;领会;
💡 under(under)+stand→懂；了解；通晓；认为
"That's just an approximation, you understand."
你知道那仅仅是近似值。
近义：ideate, imagine, apprehend, interpret, assimilate, penetrate
反义：misapprehend, misconstrue, mishear, misinterpret, misrepresent, misread
adj. 对不起的;无价值的，低等的;遗憾的;感到伤心的;
"Afterwards she was sorry for what she'd said."
后来她后悔说了那些话。
近义：heartbroken, heavyhearted, mournful, pained, regretful, repentant
adv. 相当，很;非常;确实如此;
💡 教室非常（quite）安静（quiet）
"The scheme seems on the surface to be quite practical."
这个方案表面上看来似乎很实际.
近义：long, mighty, moderately, much, perfectly, pretty
反义：incompletely, approximately, insufficiently, miserably, nearly, poorly