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 must tell you it's the best party I've ever had.
我一点要说，我从没去过这么出色的舞会。
Everything has its time and that time must be watched.
任何事情都有好的时机，不要随意放过。
It would be a waste of money to buy the IBM PC586.
买IBM586就浪费钱了。