strict annual sustained working严格: strict; rigorous; rigid; str ...的: 4次方是 The fourth power of 2 i ...连年: in successive years; in cons ...保: defend; protect续: continuous; successive下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:严格的连年保续作业，即可在微信中查询翻译
