With a low-pitched rumbling noise, the propeller began to rotate.伴随着隆隆的低沉噪声，螺旋桨开始旋转起来。We're a bit low on bed linen. You'll have to make do.我们的床单有些次，您将就着用吧。The official number of people carrying the AIDS virus i...
Anthocyanidin synthesis needs proper temperature and oxygen, which will fail at low temperature or deficient oxygen.花色素的合成需要适宜的温度和充足的氧气, 低温或缺氧不利于花色素的合成.They wooed customers by offering low interest rates...他们靠提供低息来招揽客户。W...
Is Hell exothermic ( gives off heat ) or endothermic ( absorbs heat )?地狱是散 发热量 还是吸收热量?A household radiator absorbs energy in the form of electric current and releases it in the form of heat.家用取暖器吸收电流能量，再以热量的形式释放出来。The mo...