🧩 词语组成解析
gray
[ɡre]
n. 灰色;灰马;灰色颜料;暗淡的光线;
adj. 灰色的;灰白头发的;阴暗的;（指脸因恐惧、生病等）苍白的;
v. （使）变灰色;
vi. 成为灰色或灰白;
squirrel
['skwɝrəl]
n. 松鼠，松鼠科动物;松鼠毛皮;
vt. 储藏;贮存;
🗣️ 情景例句
Smoking is harmful to your health.
吸烟有害健康。
The President is going to address the nation on television this evening.
总统今晚将向全国发表电视讲话。
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）