Photoelectric timer
[医] 光电定时器
🏥 医学释义
光电定时钟
🧩 词语组成解析
timer
['taimə]
n. 定时器;计时器;点火调节装置;跑表，时计;
🗣️ 情景例句
It's five years ago.
那是五年前了。
He gave her his word that he would never be late again.
他向她保证，绝不再迟到。
At night, the children always do their homework.Then they go to bed.
晚上，孩子们总是做作业，然后去睡觉。