Effectivity
n. 有效, 功效
??? 情景例句
I've had a pretty high fever since yesterday morning.
從昨天早上起，我就一直發高燒。
This man yells directions and gets sunburned.
這個人一邊曬著太陽,一邊在大聲下達指令。
This box is big.
這是個大盒子。