Ricinus oil
[化] 蓖麻油; 蓖麻子油
🧩 词语组成解析
n. [植]蓖麻
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
It's a lovely area,
那里是个可爱的地方，
How much will it cost?
这种商品成本价是多少？
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。