我们始终站在第一线，准备迎合用户并让他们对我们构建的应用程序留下最佳的第一印象。
We're always at the front lines, ready to greet users and offer the best first impression to the applications we build for them.
与线类似，形状无论大小，均很适合用来做网站内容区域的界线。
Similar to line, shapes are great for marking the boundaries of content areas, both small and large.
我们甚至可以将几何线和有机线合用，生出更多的变化来。
We can even mix geometric and organic lines together, for additional variety.
这种耐水材料适合用在瀑布附近的天线线。
The waterproof material is suitable for the aerial used near the waterfall.
目的观察贝伐单抗与化疗药物联合用于晚期结直肠癌一线治疗的近期疗效和安全性。
OBJECTIVE To evaluate the efficacy and safety of bevacizumab when added to first-line irinotecan-based chemotherapy in patients with metastatic colorectal cancer.
不久前，如果一种感染对一线的药物疗法表现出耐药性，通常可以选择一种替代药物或实施联合用药。
Until recently, if an infection proved resistant to first-line therapy, an alternative or combination was generally available.
不久前，如果一种感染对一线的药物疗法表现出耐药性，通常可以选择一种替代药物或实施联合用药。
Until recently, if an infection proved resistant to first-line therapy, an alternative or combination was generally available.
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