Orthogeuesis
直生現象
??? 情景例句
A diamond of this size is unique.
這種尺寸的鉆石是獨一無二的。
Why didn't you contact me?
為什么你不和我聯系？
He knew it would not prove difficult in such a small village.
他知道在這樣一個小村莊里抓住小偷并不困難。