Pointer expression
[计] 指示字表达式
🧩 词语组成解析
pointer
['pɔintə]
n. 建议;线索;教鞭;（测量仪器上的）指针;
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
If the hen does not prate,she will not lay.
不叨叨的母鸡不下蛋。
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说