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1·Teachers are accused of levelling standards down to suit the needs of less able students.

有人指责教师降低标准以适应学习较差学生的需要。《牛津词典》

2·It was all down, down, down, gradually—ruin and levelling and disappearance.

一切都在往下沉，往下沉，往下沉，渐渐地——毁灭了，夷平了，消失了。

3·Remove switch for headlight levelling system.

拆下前照灯调平装置开关。

4·Install switch for headlight levelling system.

安装前照灯调平系统开关。

5·He showed us how to go about levelling the land.

我们发现，交通和家电市场状况也差不多。

6·The levelling net points are divided into three grades.

并将水准网点的活动水平分为三类。

7·Levelling is usually carried out with vertical drill holes.

整平爆破通常用垂直炮眼进行。

8·A new method for testing the levelling of roller coating paint was proposed.

提出一种测试辊涂涂料流平性的新方法。

9·The clean soil after thermal desorption disposal can be used for earth levelling.

热脱附处理后的清洁土壤可以用于土地平整。

10·As for the goal of levelling the academic playing field, the state is pleased so far.

对于实现在大学领域的公平竞争这个目标，到目前为止是很令人满意的。

调平

1·Install switch for headlight levelling system.

安装前照灯调平系统开关。

(1)levelling agent匀染剂；均化剂