Copulins
(copulin 的复数) n.交配信息素,交配外激素(指母猴身体发散的一种吸引公猴的脂肪酸)
🗣️ 情景例句
We haven't heard from him for weeks but we're still hoping for a letter.
我们已经有几个星期没有他的消息,但仍然盼望着他的来信。
I would rather stay here.
我宁愿留在这里。
In the pioneering days, however, this was not the case at all.
然而,在登山运动的初期,全然不是这种情况。
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