Perlite
n. [地]珍珠岩
🗣️ 情景例句
Here I am.
我在这儿！
Who can best handle the problem?
谁能将那问题处理得最好？
on applied psychology, and on the capacity of a man to get along with his fellow-citizens.
实用心理学和与同伴相处的能力。