Hitting the homestretch in fall: on a former railroad bridge in the Great Allegheny Passage in Pennsylvania.

在秋天里返家的最后旅途上冲刺：在之前宾夕法尼亚州阿勒格尼大公路的铁道桥上。

This functioned as a selective bridge, permitting the passage of positively charged sodium ions, but not negatively charged chloride ions.

它可以作为有选择的桥梁让带正电的钠离子通过，同时阻止了带负电的氯离子。

If that still need to praise and description of the fall, it would be difficult passage across the bridge project.

如果说秋天仍需要赞美和描写，那将是一段文字桥梁难以跨越的工程。

You walk you of the street to the bridge, I had my underground passage.

你走你的过街天桥，我过我的地下通道。

I can't believe you've never done this. Crossing the bridge is like a rite of passage.

我不敢相信你从来没这么干过。穿过这座桥可算个人生大事。

The bridge isn't strong enough to allow the passage of heavy vehicles.

那座桥不够坚固，无法承载重型车辆通过。

The old bridge is not strong enough to allow the passage of heavy trucks.

旧桥不够坚固，无法让重型卡车通过。

The bridge is not strong enough to allow the passage of vehicles.

这座桥不够牢固，车辆不能通行。

Bridge check list B5 must be completed, passage planning properly prepared and Master, all navigation officers must understand and signed.

完成驾驶台检查单b 5，准备好航行计划，船长，所有驾驶员必须明了并签字。

Friendship Tip: Mono River Bridge, a passage to the attention of motorists customers friends.

友情提示：长江大桥实行单双号通行，驾车客户朋友请注意。

Such bridge must have sufficient strength and rigidity to ensure the smooth passage of high-speed trains.

这类桥梁必须具有足够的强度和刚度，以确保高速列车的平稳通行。