管装的和瓶装的防晒霜一样，只是更方便携带，不可以再充装。
This is the same as what comes in the bottle, just more convenient and not refillable.
电池对热力十分敏感，手机经常过热会损害电池。如果在充电期间发现电池过热，应该立即拔掉电源，散热后重新再充。
The battery is very sensitive to the heat, the phone often overheating will damage the battery. If the battery is overheating during charging, the power should be removed immediately.
午饭前，他还会做两个小时的航模试飞；然后整个下午他都会待在实验室进一步调整模型，再给它充一次电。
He takes the aircraft for another two-hour flight before lunch and then spends the whole afternoon in the laboratory making further adjustments and recharging the batteries.
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