11月美国的贸易赤字扩大到75.9亿美元。The US trade deficit widened to $7.59 billion in November.美国将提供40亿美元的信贷和赠款。The US is contributing $4 billion in loans, credits and grants.他的公司和美国当局达成了和解，同意支付2亿美元的罚款。His company settled with the Ameri...
Mushrooms are a type of fungus.蘑菇是一种真菌.So how do you kill a fungus without harming its host?问题在于,我们如何才能做到不伤害宿主只杀死真菌 呢 ?This fungus can just be detected by the unaided eye.这种真菌只用肉眼就能检查出....