鞋的作用是什么? 它们是保护脚的.What's use of shoes? They are the protection for feet.它们是保护脚的.They are the protection for feet.建筑工人需要穿坚固耐用的工作靴来保护脚.The construction workers need to wear heavy - duty work boots to protect their feet...
...trekking through the jungles...徒步穿过丛林She can't come pony trekking after all because she's in a delicate condition.她结果还是不能坐小马车旅行,因为她已怀孕.This year we're going trekking in Nepal.今年我们准备去尼泊尔远足。When we think ...
Salter held the bag by the corners and shook it upside down.索尔特捏住包的外角，把它倒过来晃了晃。Even if you plant the seed upside down,the roots will still grow down.即使你把种子倒过来种,根须还是往下长。The painting was hung upside down...油画挂倒了。The burgla...
结果 泄殖腔发育过程中,胎龄15d前 的正常鼠胚, 尿直肠隔将 泄殖腔 分为腹侧的尿生殖窦和背侧的直肠两部分, 二者共同相通于泄殖腔管.Results In normal fetus, the urorectal septum ( URS ) descended, its distance to cloacal membrane decreased gradually.泄殖腔内有明显的环褶将肛道与尿、生殖道分开.In the cloac...