Unit record principle
[计] 单位记录法
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
record
['rekɔd,ri'kɔ:d]
n. 记录，记载;档案，履历;唱片;最高纪录;
🗣️ 情景例句
Lots to be thankful for.
要感谢的事很多。
Don't halloo till you are out of the wood.
没有脱离危险不要先欢呼。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。