Sinuidal
正弦波; 正弦形
??? 情景例句
I'd like to have your opinion.
我想聽聽你的意見。
Comets to appear
彗星出現了
If a citizen's complaint is justified, the Ombudsman will act on his behalf.
如果公民的意見正確，司法特派員便為他伸張正義。