Efficaciousness
n. 有效;灵验
🗣️ 情景例句
OK. Let's pick up the pace.
好 把节奏加快一些。
I dress my sister and wash her hands and face.
我给我妹妹穿衣服，洗脸洗手。
She asked me to speak more loudly. The line was bad.
她告诉我要说大声一些。线路很糟。