Pistonwall
[机] 活塞壁
🗣️ 情景例句
We aren't going, for the simple reason that we can't afford it.
我们不去，原因很简单，我们负担不起。
She hesitated about what to do next.
他对下一步干什么拿不定主意。
The child learning to see, first distinguishes only two-dimensional shape;
正在学看东西的儿童起初只会分辨二维形态，