The four species
加减乘除,四则运算
🧩 词语组成解析
the
[ðə]
art. 指已提到的人（物）;指说话人与听者已知的人（物）;用于独一无二的事物前;与形容词最高级和序数词连用;
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
🗣️ 情景例句
Hi. Michelle,
嗨， Michelle，
It's a sunny day.
今天是个艳阳天。
The implications of all this were that it was not the disturbance of sleep that mattered, but the disturbance of dreaming.
睡眠受到干忧没关系，而做梦受到干忧是有问题的。