Effectiveness level
[电] 效率阶组
🧩 词语组成解析
effectiveness
[i'fektivnis]
n. 有效，有力;有效性;效益;效用;
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
I'm calling to know if it would be at all possible to cancel our reservation.
我打电话想知道我们的预约是否有可能取消。
Can I speak to Mr. Li?
我能请李先生讲话吗？
When she caught up with them, she saw that they had sat down and were going through the contents of the bag,
当她赶上他们时，发现他们已经坐了下来，正翻着包里的东西。