Nonquaternary
[化] 非季盐的; 非季铵盐的
🗣️ 情景例句
I'm still learning.
我还在学习当中。
The way it is.
就这样。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。