Who will then do the cooking, the washing, the mending?那么，谁来做饭、洗衣、缝补呢？I'm feeling a good bit better. The cut aches, but it's mending.我感觉好多了。伤口很疼，但是正在愈合。When she finished the mending, she paired up the socks.袜子补...
在特定的环境条件信息下, 神经分泌细胞产生和分泌滞育激素 ( DH ).Under specific enviromental information, neuroendocrine cells produce and secrete diapause hormone ( DH ).滞育和冬眠不一样, 是一种 长期 的休眠状态.Unlike torpor, diapause is a long - term state of suspe...
As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.凭经验估计，一杯过滤咖啡约含80毫克咖啡因。As a rule of thumb , the minimum device feature is about 4 times the beam diameter.一般来说, 最小器件图形大约是电子束直径的4倍.A rule of thumb ...