Certificated quality level
[经] 质量保证书
🧩 词语组成解析
a. 有授权证书的
level
['lɛvl]
n. 水平，水准;水平线，水平面;水平仪;[物]电平;
adj. 水平的;同高度的;平均的;平稳的;
vt. 使同等;对准;弄平;
vi. 拉平;（用枪等）瞄准（与 at 连用）;变得平坦;将（话、批评等）对准目标;
vi. 瞄准;拉平;变得平坦;
🗣️ 情景例句
But I have a doctor's appointment in the afternoon.
但我后天下午跟医生约好了。
Until all is over one's ambition never dies.
不到黄河心不死。
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。