Effective pitch
[化] 有效螺距
🧩 词语组成解析
effective
[ɪ'fɛktɪv]
adj. 有效的;起作用的;实际的，实在的;给人深刻印象;
n. [军]现役兵额，有生力量，精兵;
ef出+fect做，制作 +ive形容词后缀 →做出来的 → 有效的
pitch
[pɪtʃ]
n. 场地;最高点;音高;说教;
vt. 用沥青涂;扔，投;树起，搭起;定位于;
vi. 抛，扔;[棒球]当投手;搭帐篷;向前跌或冲;
🗣️ 情景例句
I have many hobbies. I like almost all kinds of sports and I also like classical music.
我有很多爱好，喜欢各种运动，也喜欢古典音乐。
While you trust to the dog,the wolf slips into the sheepfold.
当你认为狗可信，狼已偷偷把羊圈进。
In the letter he was asked to call at the station.
要他到警察局去一趟。