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
It's dangerous to leave your children along while you go shopping.
购物时，把你的孩子单独留在家里是挺危险的。
The cheque will be cleared in about three days.
大概在3天后，支票就可以兑现了。
He was interested in all spiritual matters, not only in the Indian gods.
他不仅仅对印度的神灵，而且对所有的宗教事务都感兴趣。