费力

G. lepidopterous eggs . Although tens of species have been formally identified in China, species identification is still a specialized, time consuming and difficult task, especially for arrhenotokous forms.

尽管我国正式发表的赤眼蜂已有数十种，但鉴定工作一直是一项费时费力、需要专门培训的技术，而对于产雌孤雌生殖型的鉴定则更为复杂。

This process has also have application, but the artifactitious time consuming, difficult to find this, telecomindustry.

此工艺延续至今还有厂家应用，但其加工方法费时、费力、效率低下。

And simply use the sewing artifactitious v|x?ù, the next version and version of the picture are lossless, go back and read it, but after sticking and hand-package basis, and that takes time wading through all those who cannot make sure that the shape of the beautiful and consistent.

而单纯地使用锁线订的加工方法，接版、通版的画面均无损失，翻阅效果也不错，但之后的粘卡和手工包本，既费时费力又不能确保外形的美观、一致。

The chimpanzee has well-developed aryepiglottic folds which allows him to vocalize not only upon expiration but also upon inspiration, which for man is strenuous and unpleasant.

黑猩猩有发展良好的杓状会厌声带，那可以让它不仅在吸气时能发音、在吐气时也能（这对人类来说是费力且另人讨厌的）。

Fast 8 months, and full of artificial feeding, Abbott has been eating, stool has always been our most frequent headache 4 \ 5 days time, is still harder, 2 months ago by Golden Bifid.

我女儿快8个月了，全人工喂养的，一直吃的雅培，大便一直以来都是我们最头痛的问题经常4\5天一次，还很费力，2个月前就靠金双歧。

Many methods for making nanoscale materials were developed in the past few years, such as colloidal crystallization, monolayer deposition, multiplayer casting, molecular crosslinking, complementary interaction, patterned etch pits, template-mediated and DPN, most of these are complicated and costive.

在过去的几年中，合成纳米复合材料的方法已取得了极大的进展，如胶体结晶法、单层膜沉积法、多层膜浇铸法、分子交联法、互补反应法、图形刻蚀法、模板化学法、DPN法等，但是这些方法大多操作耗时、费力。

Her eyes were open. Her voice was crackly and breathing labored, but she had something she wanted to say."Most of the nurses don't think I notice, but I do."

她睁开眼睛，她的声音沙哑，呼吸也很费力，但她还有想说的话：&大多数护士认为我没有感受，可我有。&

It was often better thanmaking international phone calls, which were cumbersome, crackly and costly.

多数情况下，电传优于国际电话。当时的国际电话费时费力，而且费用昂贵。

However, this method is discommodious and can not get the instantaneous transformation of dust concentration.

摘 要：环境粉尘浓度的测定一般使用滤膜称重方法测得，该方法费时费力，且不能得到瞬时粉尘浓度的变化。

However,this method is discommodious and can not get the instantaneous transformation of dust concentration.

环境粉尘浓度的测定一般使用滤膜称重方法测得，该方法费时费力，且不能得到瞬时粉尘浓度的变化。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。