🧩 词语组成解析
jam
[dʒæm]
n. 果酱;拥挤，挤满;困境;[无线]干扰;
vt. 把…挤进;把…塞满，使挤紧;使堵塞;使卡住;
vi. 挤满，拥挤;堵塞;发生故障;
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
An hour in the morning is worth two in the evening.
一日之计在于晨。
They come in cases of five.
它们是五个一箱。