科学素养与生活应用·英语30篇（2）

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电动车为何在寒冷天气充电变慢

Cold temperatures slow lithium-ion battery chemistry, reducing ion mobility inside the cells.
Battery management systems limit charging speed to protect cells from damage or lithium plating.
Preconditioning—warming the battery using grid power before plugging in—helps restore normal charge rates.
Regenerative braking also becomes less efficient in freezing conditions, lowering overall energy recovery.
Cabin heaters draw significant power, further decreasing driving range even if the battery stays charged.
Some EVs use heat pumps instead of resistive heaters to improve winter efficiency by up to 50%.
Charging stations in cold climates often include thermal insulation or heated connectors to minimize losses.
Drivers report up to 30% less range in sub-zero Celsius conditions—even with careful energy management.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

Cold temperatures slow lithium-ion battery chemistry, reducing ion mobility inside the cells. 低温会减缓锂离子电池的化学反应，降低电池内部离子的移动性。
Preconditioning—warming the battery using grid power before plugging in—helps restore normal charge rates. 预加热——插电前利用电网电力为电池升温——有助于恢复正常的充电速率。
Regenerative braking also becomes less efficient in freezing conditions, lowering overall energy recovery. 在冰冻条件下，能量回收制动效率也会下降，降低整体能量回收效果。

这篇中文题目最接近哪一句？电动车为何在寒冷天气充电变慢一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？低温会减缓锂离子电池的化学反应，降低电池内部离子的移动性。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） Why Electric Cars Charge Slower in Cold Weather How to cook noodles A maths worksheet

Cold temperatures slow lithium-ion battery chemistry, reducing ion mobility inside the cells.

Cold temperatures slow lithium-ion battery chemistry, reducing ion mobility inside the cells.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：Cold temperatures slow lithium-ion battery chemistry, reducing ion mobility inside the cells.