Potassium fluorosilicate
[化] 氟硅酸钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
氟硅酸盐
🗣️ 情景例句
He treats everyone with courtesy.
他对待每一个人都很有礼貌。
The doctor says that I should take quinine.
医生说我应该服用奎宁。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.
如果睡眠的功能不是在于使身体得到休息，那么也许是让大脑得以休息？若不是下面两点，这种假使似乎是有道理的。