Boulder dam
顽石坝（美国科罗拉多河上的大坝）
🧩 词语组成解析
boulder
['bəuldə]
n. 卵石，圆石;巨砾，冰砾;漂砾;
dam
[dæm]
n. 水坝，堰;水库;（牙科用的）橡皮障;〈比喻〉障碍;
vt. 用水坝阻止;阻塞，抑制;
🗣️ 情景例句
The newspapers don't come out till about ten o'clock.
报纸要差不多十点钟才出来。
Will this be fine?
这样可以吗？
The sea bed was scoured with powerful nets and there was tremendous excitement on board went a chest was raised from the bottom.
他们用结实的网把海床搜索了一遍。