🧩 词语组成解析
n. 护坡(石), 铺地石, 俯仰, (船的)上下颠簸
change
[tʃeindʒ]
vt. 改变，变更;交换，替换;兑换;换衣服（床单）;
vi. 改变，转变;交换，互换;换衣，更衣;
n. 变化，改变;交换，交替;零钱，找头;代替物;
🗣️ 情景例句
He's got 20/20 vision.
他的视力很正常。
Every time the sheep bleats it loses a mouthful.
羊每叫一次，就少吃一口。
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。