Fluctuating current
[电] 增减起伏电流
🧩 词语组成解析
v. 波动（fluctuate的ing形式）
🗣️ 情景例句
I invited her to come by for dessert.
我邀请她来吃甜点。
You must be hungry. Shall we get something to eat?
你一定饿了，我们吃点东西好吗？
stranger still, by moving her elbow over a child's game of Lotto she was able to describe the figures and colours printed on it;
更为奇怪的是，她把肘部在儿童玩的“罗托”纸牌上移动一下，便能说出印在纸牌上的数字和颜色。