Her stint as a lifeguard usually consumes three hours a day.救生员这项工作每天通常花费她三个小时.It must be broken down to urea, which consumes energy.它必须被分解成为尿素, 这时也要消耗能量.An electric heater consumes too much electricity.电热器用电太费.The elect...
The eye is a complex and highly developed photosensitive organ.眼是复杂而且高度精密的感光器官.It is the good stabilizer of photosensitive resin, sensitive emulsion, synthetic resin.是光敏树脂 、 感光乳剂 、 合成树脂的良好稳定剂.Whirler: Machine which appli...