Erratic boulder
漂块, 漂砾, 漂石; 巨漂砾
🧩 词语组成解析
erratic
[ɪ'rætɪk]
adj. 飘忽不定的;行为古怪，反复无常;（运动或行为）不规则的;
n. 古怪的人;[地]漂砾;
err漫游，犯错误+atic形容词后缀→[被人认为]错误的→古怪的
boulder
['bəuldə]
n. 卵石，圆石;巨砾，冰砾;漂砾;
🗣️ 情景例句
You did a great job.
做得好。
I went bowling last night.
我昨晚在打保龄球。
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。