adj.多级的（指继电器）n.做凹口，开槽v.在（某物）上刻V形痕( notch的现在分词 )，赢得，赢取，获得高分...

The economy is expanding, notching up high growth rates.经济在发展，实现了高增长率。This means that the system only improves, always notching forward, never backsliding.这意味着系统只能够被改进, 总是向前的, 从不会倒退.Notching, improper pressure adjustment...

notching的音标：notching的英式发音音标为：['nɒtʃɪŋ]notching的美式发音音标为：['nɒtʃɪŋ]...