不易的

I see your face , it's haunting me

我看你的脸，不易忘怀的我

European hawkweed into northeastern United States locally troublesome .

美国东北部的欧洲山柳菊；不易根除的。

Homograft pericardium is the tissue with high density and intensity, its elasticity and compliance are good. Using homograft pericardium patch may be helpful to decrease the residual obstruction of RVOT after operation. It can be adapted as a repairing material in heart surgery.

结论人同种心包组织致密，缝合后不易渗血，止血方便；且具有良好的弹性和顺应性，有助于降低术后RVOT、水平的残余梗阻发生，可作为补片材料在心脏外科手术中应用。

Chek Hup Ipoh White coffee is famous for it's unique aroma,rich tastes and smoothness . It also has low level of sour element and bitterness .

在烘培过程中，白咖啡是不加焦糖低温烘培而成，制出来之咖啡豆味道浓郁、保存期较长、产品不易变酸，保留了咖啡原有的香味，同时去除了高温炭烤所产生的焦苦和酸涩味，香醇且不伤肠胃。

I saw the teacher's face imperceptible smile of welcome, perhaps the class has been seen.

我看见了老师脸上不易觉察的欣慰的微笑，也许全班同学都看见了。

The experimental results show that the watermark can not be destroyed easily and the algorithm is robust and imperceptible.

实验结果表明该算法水印不易破坏，对数字音频信号的低通滤波、迭加噪声等攻击均具有很好的隐蔽性和稳健性。

The sacred city of Lamaism; known as the Forbidden City for its former inaccessibility and hostility to strangers.

喇嘛教的圣地；以前对陌生人怀有敌意，不易接近的地方。

We have as much distaste for talking about personal death as for thinking about it; it is an indelicacy, like talking in mixed company about venereal disease or abortion in the old days.

我们对自己的死不仅不敢想，而且不敢去谈论。这是一个不适宜的话题，就像过去在男女一起时谈论性病和流产一样不易启口。

Not easy to hear or understand; indistinctly articulated

含糊不清的：不易听到或理解；表达不清楚的

However, due to the oscillation and singularity of the integrand of Green's function and that integral interval is infinite, it is difficult to compute the function and to control the accuracy.

而格林函数中被积函数的振荡性，奇异性和积分区间为无穷使得该函数的计算较为困难，精度不易控制。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。