a.c.
英
美
- 饭前,饭前服用
详细释义
名词 ac:
-
a radioactive element of the actinide series; found in uranium ores
-
an electric current that reverses direction sinusoidally
双语例句
- I bedashed a salad with pepper before dinner.
饭前我给色拉洒了胡椒面。 - It's a good habit to wash up before a meal.
饭前洗手洗脸是好习惯。
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