Ichthyophthirius
[醫] 魚虱屬
??? 情景例句
that he wants to develop it into a magazine concept.
他想要將它加以發展 使之成為一個雜志方面的構想。
How old are you?
你多大了？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支筆拴在重物上，筆尖落在地板上的一張紙上，