Benchmark problem
[计] 基准问题
🧩 词语组成解析
benchmark
['bentʃˌmɑ:k]
n. 基准，参照;标准检查程序;水准标;
vt. 检测（用基准问题测试）;
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
There's many a good tune played on an old fiddle.
老当益壮。
Eh?
什么？