🧩 词语组成解析
boulder
['bəuldə]
n. 卵石，圆石;巨砾，冰砾;漂砾;
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
The new plan needs you.
这项新计划需要你的协助。
Have you taken a plane?
你坐过飞机吗？
torn by the noise of the taxicabs, lorries and buses, and thronged ceaselessly by great crowds.
街道上充斥着汽油味和有毒气体，出租汽车、卡车、公共汽车的噪音刺耳难忍，络绎不绝的人群挤来挤去。