Effective collision
[化] 有效碰撞
🧩 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
🗣️ 情景例句
And now for ... something old,
现在， 接着是 一些旧的，
I'm going to buy six inches.
我要买六英寸。
Some children were playing games on the bank and there were some people rowing on the river.
河岸上有些孩子正在玩耍，河面上有些人正在划船。