adj.无痛的,不引起痛苦的;无并发症的;
英文例句/中文翻译:
House-hunting is in fact relatively painless in this region.
在这个地区找房子事实上相对比较容易。
That suicide is painless.
自杀是没有痛苦的.
The treatment is painless.
这种治疗无疼痛。