instruction什么时候作不可数名词
可数名词
countable noun
不可数名词
uncountable noun
instruction /in’strʌkʃən/
n.
1.
a message describing how something is to be done
近义词：direction
2.
the activities of educating or instructing; activities that impart knowledge or skill
our instruction was carefully programmed
近义词：educationteachingpedagogydidacticseducational activity
3.
the profession of a teacher
近义词：teachingpedagogy
4.
(computer science) a line of code written as part of a computer program
近义词：commandstatementprogram line
这两个struct函数什么区别 struct{ int x; int y; }test1; 和 s
后者为这种结构体类型定义了名字test，前者没有。
如果之后还想定义相同类型的变量，前者需要重写一遍所有结构体成员；而后者不需要，写成struct test xxx;就可以了。
instruction翻译为什么为可数，不可数
instruction
名词
1 (U)教授,教育; 训育,教导[in]
(→education【同义字】)
give [receive] ~ in French
教授[上]法文 (课)
2 (C)[常 ~s]
a. 命令,训令,指令,指示
follow ~s
听从指示
b. 命令,指令《做…》
He gave his men ~s to start at once.
他命令部下立刻动身
c. 《…的》命令,指令
be under ~s that
接到…的命令
3 (C)[常 ~s] (产品等的) 使用说明书
Show me the ~s for this watch.
给我看这只表的使用说明书
4 (C)[常 ~s]‘电算’指令
(使机器依照一定程序作业的电脑用语)
-instr
