ADJ A B-grade person or thing is one that you consider to be inferior or of poor quality. 二流的 [ADJ n] [表不满]
...a B-grade action movie star.
...一位二流动作片影星。
Some B-grade movies are very good, but most of them are not worth watching.
有些B级片很不错,不过大多数片子不值得去看。
Through the analysis, pointed out the key is the wire rod chemical composition is even when produces the B-grade steel wire for cotton packaging.
通过分析,指出在生产B级棉花打包钢丝时,关键是线材的化学成分均匀。化学成分对钢的内部组织、性能及成品质量起决定作用。
For this course a pass in English at grade B is acceptable.
英语成绩B级就可以学这门课程。
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