Rel
[電] 阻抗的單位, 相等于每一磁力線一安坫匝
??? 情景例句
when Molly gave him the injection.
Molly給他打針時。
One enemy can do more hurt than ten friends can do good.
十個朋友做的好事抵不上一個敵人造成的危害。
You speak English without an accent.
你說英語一點口音也沒有。