Complementary series
[计] 互补系列
🧩 词语组成解析
complementary
['kɑmplə'mɛntri]
adj. 互补的;补充的，补足的;
com加强+ ple填满+ ment表名词 + ary...的 →complement填满=补充+ ary...的 → 补充的
🗣️ 情景例句
OK. I will try her back then.
好的，我到时再试试看。
How many passengers were on the train?
在火车上有多少旅客？
What can you suggest?
你有什么建议吗？