🧩 词语组成解析
united
[[ju:'naitid]]
a. 联合的, 团结的, 一致的, 和睦的\\n[法] 联合的, 统一的, 一致的
n. 美国
unit
['ju:nit]
n. 单位,单元;装置;个体;[数]单位数;
🗣️ 情景例句
That's for a long distance call you make two nights ago.
这是你两天前打的一个长途电话的费用。
When the lights went out, I was washing my hair.
当熄灯的时候,我在洗头。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压,可以煮少量水的便携式热水装置是有用的。