Standard rating
[经] 标准评定, 标准定额
🧩 词语组成解析
standard
['stændɚd]
n. 标准，规格;旗，军旗;度量衡标准;直立支柱;
adj. 标准的，合格的;普遍的，一般的;公认为优秀的;
rating
['retɪŋ]
n. 等级;评估，评价;极限;收听率，收视率;
v. 估价( rate的现在分词);定级;
rat =calculate 计算 + ing [名词后缀],构成抽象名词 → n. 等级,评定结果，收视(听)率
🗣️ 情景例句
I remember.
我记起来啦。
Don't tell anyone!
不要告诉别人喔！
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。