1·Typically, older leaves are affected first as the phosphorus is mobilized to young growing tissue.
通常，当磷元素向新生组织转移时，较老的叶片首先受到了影响。
2·Other innovations of the late fourth millennium include the wheel, probably developed first as a more efficient way of making pottery and then transferred to transport.
第四千禧年后期的其他创新包括轮子，可能首先是作为一种更有效的制陶方式发展起来的，然后才被转移到运输上。
3·In fact, usually the system blocks anyone trying to sign up for a class they shouldn't be taking, who hasn't taken the courses you are required to do first as prerequisites.
事实上，这个系统通常会阻止任何想要注册他们不应该选的课程的人，也就是那些没有选必选先修课程的学生。
4·I always know something first as something.
我在一开始知道某物时就知道它是某物了。
5·Remember, you can always try to go first as a tourist.
记住，你可以一直努力，在旅程中领航。
6·He saw himself first as an inventor, whether of sauces or parts.
他觉得自己首先是一个发明家，不论是在沙拉酱方面还是在其他方面。
7·A new node is created first as the only child of the container node.
首先创建的新节点作为容器节点的惟一子级。
8·Your vision may be blurry at first as your eye heals and adjusts.
刚开始视力可能会模糊，因为您的眼睛正在术后愈合和调整的阶段。
9·It has been noted that history repeats itself, first as tragedy and then as farce.
有人曾经说过，历史总是在不断地重复自身，首先是悲剧，然后是闹剧。
10·It may seem at first as if "free" helps your value proposition, but it ultimately hurts it.
它已开始似乎是有助于你的价值定位，当最终却是伤害到它。