Satter's sign
[医] 萨特勒氏征(见于阑尾炎)
🧩 词语组成解析
🗣️ 情景例句
Blackjack.
二十一点！
One sheep follows another.
一羊跟一羊（指盲从）。
Then see which plants grow higher, measure them with a ruler and write down your results.
过后看看哪种西红柿长得比较高，用尺子量量并记录下你的实验结果。