Heat was obtained from decomposing manures and hot air flues.靠肥料分解和烟道为植物提供热量.Remove sediment from heaters, flues and motors before using them.在使用暖气, 烟道,和马达之前,应清理沉积物.Cut openings in sheets for outlets, vent pipes, flues, ...
The slow-worm is in fact not a snake but a legless lizard.蛇蜥其实不是蛇，而是无脚的蜥蜴。The lizard darted out its tongue at the insect.蜥蜴伸出舌头去吃小昆虫.In the lizard, a muscular septum partially divides the ventricle.在虫蜴中, 肌肉质的隔膜把心室部分地隔开.T...