Picrotone
苦酮
??? 情景例句
Try to think in English whenever possible.
盡可能用英文思維。
What we are ignorant of is immense.
我們不知道的東西多得不可勝數。
Our next obstacle was a shallow pool of water about half a mile across.
下一個障礙是一片約半英里寬的淺水塘。