🧩 词语组成解析
math
[mæθ]
n. 数学（等于mathematics）;
🗣️ 情景例句
Well, Grandpa will be disappointed, too.
爷爷也会感到失望。
The frog is frightened at the sight of a snake.
那只青蛙因为看到了蛇而战抖。
In 1975, a primitive machine called the Altair, was launched in the USA.
1975年，美国推出了一台被称为“牛郎星”的原始机型。