Ultrasonic grating constant
[电] 超声纳光栅常数
🧩 词语组成解析
grating
[['greitiŋ]]
n. 光栅, 摩擦, 摩擦声\\na. 令人气恼的, 刺耳的
🗣️ 情景例句
Which band of College English Test have you passed?
大学英语考试过了几级？
Happy is he who owes nothing.
无债一身轻。
He then asked when Mr.Gilbert would be allowed to go home and the doctor told him that he would have to stay in hosptial for another two weeks.
然后他又问吉尔伯特先生什么时候可以回家，医生说他在医院还必须再住上两个星期。