呼吸困难

Nitrites are highly toxic to fish and cause breathing difficulties.

亚硝酸盐是剧毒鱼类，并导致呼吸困难。

People in the valley began to cough and train for breath.

这一山谷里的人们开始咳嗽，呼吸困难。

Methods We first evaluated 207 patients and found that four factors predicted the risk of death in this cohort: the body-mass index, the degree of airflow obstruction and dyspnea, and exercise capacity, measured by the six-minute–walk test.

确定下列 4 种因素能预测这组人群的死方法我们先初步评估 207 例病人，亡危险：体质指数，气流阻塞程度和呼吸困难，以及通过 6 分钟步行试验进行测定的运动能力。

The boy is in a healthy condition despite having to initially be given oxygen to overcome breathing problems, the gynaecologist said

男婴很健康，但是一开始为了帮助他克服呼吸困难，不得不让他吸氧。

The boy is in a healthy condition despite having to initially be given oxygen to overcome breathing problems, the gynaecologist said.

男孩健康状况良好尽管初期需要靠氧气来克服呼吸困难，妇产科医生说

The boy is in a healthy condition despite having to initially be given oxygen to overcome breathing problems, the gynaecologist said.

妇科医生说，尽管一生出来要供氧，以克服呼吸困难，但孩子还是很健康。语法有问题，查在线语法词典！

We worry that listeners will think we are lightweights.

我们的手心会出汗，我们可能还会呼吸困难、两膝发软、恶心、肚子痛、心跳加快。

Methaemoglobin loses its ability to bind oxygen and causes hypoxia in the affected individuals. The condition is characterized by headache, weakness and breathlessness, and a bluish discolouration of the skin and mucous membranes called cyanosis.

这是因为亚硝酸盐使体内红血球素中的铁由亚铁氧化成正铁，正铁血红蛋白失去携氧能力，造成血氧过少，令人感到头痛，虚弱，呼吸困难，皮肤和黏膜会变成紫蓝色，医学上称为发绀。

A 33-year-old woman had dyspnea for six months, with intermittent fever.

33岁女性病人，有6个月呼吸困难病史，伴有不规则发热。

The disease fish is restlessness、difficulty in breathing 、swimming around on the water or mad swimming,Caudal fin upper lobe exposes on the water surface and commonly known as "raising disease".

病鱼焦躁不安，呼吸困难，在水面打转或狂游，尾鳍上叶露出水面，俗称&翘尾巴病&。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷