The filament is hidden below and out of the line-of-sight of the crucible. This prevents ion erosion and provides maximum protection from shorting caused by stray particles or condensate.

灯丝隐藏在下面，在坩埚的视线外这样可以预防离子腐蚀，最大程度的保护其不受游离的碎料和冷凝物的侵袭。

youdao

Mr Daschle will have a hard job keeping his own party in line and attracting stray Republicans.

ECONOMIST: Lexington

Any Republican congressional candidate risks being bounced out of his or her seat in the primaries if they stray too far from the Tea Party line.

FORBES: Happy Guy Fawkes Day