Mattock
n. 鹤嘴锄
✅ 同义词
📖 牛津释义
mattock
n
heavy tool with a long handle and a metal head, one end of which is sharp and the other blunt, used for breaking up soil, cutting roots, etc 鹤嘴锄.
🗣️ 情景例句
Excuse me, Susan.
对不起 ，Susan。
Please estimate your living costs for this month.
请估计一下你这月的生活费用。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。