The skin's base layer is the subcutis, which includes a seam of fat laid down as a fuelreserve in case of food shortage.
皮肤最里层的部分叫皮下组织，包含狭长的脂肪层——作为缺血时的储备。
2
If the flow of fuel is insufficient for supplying fuel to the fuel cell system or if the fuelreserve falls below a predetermined value, a signal will be output.
如果燃料流量供应燃料的燃料电池系统，或者如果燃油储备低于预定值下降不足的信号，将输出。
3
But scientists decided to let it carry out additional exploratory tasks as the orbiter is still in good condition and has fuel in reserve.