It has been snowing, roughly every third day, for as long as I've had the flu.自从我得了流感以来，这段时间一直在下雪，大约每三天一场。The cloud might be snowing ethane snowflakes into methane lakes below.云层可能正在向下面的甲烷湖飘落乙烷雪.After it had stopped...
The top three differentials for this patient include hemangioblastoma, astrocytoma, and metastasis.需要鉴别的三大疾病包括血管母细胞瘤, 星形细胞瘤和转移.Objective To investigate finding of cerebella astrocytoma and to improve the diagnosis abilit...
Gyms usually provide ropes and rent shoes harnesses and belaying devices.攀岩场通常会提供绳索以及出租攀岩鞋、安全带跟确保装置.Don't ever use any other type of carabiner for belaying.不要用其他的锁做保护....