But a smile does not involve drugs. It is not invasive like a surgical operation.

但微笑不用吃药。微笑也不用像手术那样开刀。

This would not have been possible, as a previous surgical operation had left Wallis incapable of conceiving.

这是不可能的，因为之前的手术让沃利斯无法怀孕。

He had 26 surgical operations, but his face would never be the same again.

他做了 26 次手术， 但他的脸再也不一样了。

Davy noted that its pain-relieving abilities might make it useful for surgical operations — but it would be decades before that happened.

戴维注意到笑气具有缓解疼痛的能力，可能对手术有用，但在几十年后才真应用于手术中。

The explanation for this is that surgical operations have all the characteristics that a flow activity should have.

对此的解释是，手术具备所有流畅体验应有的特征。

His legs were immobilized five years ago, and he has also developed severe urological problems, requiring several surgical operations.

他的双腿五年前就无法动弹，而且还出现了严重的泌尿系统问题，需要进行多次手术。

Critics claim the pending bill has led to a rise in abortion pills and surgical operations acquired or performed through unsupervised and illegal routes.

批评人士称，这项悬而未决的法案导致通过无人监管及非法途径获得的堕胎药物和进行的手术数量增加。

Women in the four countries had high rates of surgical operations related to childbirth without their approval – and often without medicine to ease the pain, either.

这4个国家的妇女在未经她们允许的情况下做与分娩有关的手术的比例很高，而且常常没有药物来缓解疼痛。

She clasped both hands round his arm and pressed it firmly, as she might have pressed that of a person undergoing a surgical operation.

她用双手环住他的胳膊，紧紧地按着，就像她按着一个在接受手术的人的胳膊一样。

Dr. Sable chooses the children who need help and then works with other doctors before, during and after the treatment. In some cases, Ugandan and American doctors work together on surgical operations.

Sable 医生选择需要帮助的孩子，然后在治疗前、治疗期间和治疗后与其他医生一起工作。在某些情况下，乌干达和美国医生会合作进行手术。

The trials involved offering a regimen of pills to about 300 patients experiencing pain after undergoing one of two surgical operations—either a bunionectomy or an abdominoplasty (more commonly known as a tummy tuck).

这些试验涉及向大约 300 名在接受两种手术中的一种手术后感到疼痛的患者提供一种药物治疗方案——拇囊炎切除术或腹部整形术（通常称为腹部除皱术）。