🧩 词语组成解析
road
[rod]
n. 路;通路;途径;方法;
vt. 在…设置路障;（狗）沿臭迹追逐（猎物）;（狗）闻着臭迹追;
bone
[bon]
n. 骨头;尸骨;骨质物;有…样的骨头的;
vt. 挑鱼刺，剔骨头;剔去…的骨;
vi. 苦学;专心致志;
🗣️ 情景例句
You have a good command of English.
你的英语水平很好。
I started school at the age of 6.
我六岁开始上学。
Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.
因为蛇有毒液不是用来对付人的，而是对付它的猎物，诸如鼠类，毒液对这些猎物会立刻起作用。