- unsustained
- 未: did not; have not
- 持续: last; continue; sustain
- 的: 4次方是 The fourth power of 2 i ...
- 持续的: constant; continuate; durative; extended; lasting; persistent; running; sostenuto; standing; successive; sustained; sustaining; unremitting
- 不能持续的: non-sustainable
下载手机词典可随时随地查词查翻译