Shield effectiveness
[电] 遮蔽有效度
🧩 词语组成解析
shield
[ʃild]
n. 盾;护罩;盾形奖牌;保护人;
vt. 保护;掩护;庇护;给…加防护罩;
effectiveness
[i'fektivnis]
n. 有效，有力;有效性;效益;效用;
🗣️ 情景例句
You are always straying from the subject.
你说话总爱跑题。
Look, not bad, huh?
不错吧？
He picked up what seemed to be the smallest bottle and discreetly asked the price.
他挑出一个看上去最小的瓶子，谨慎地问了价。