长线

tā bǎ jīn shǔ jiā rè bìng jiāng tā lā chéng yī tiáo cháng xiàn

他把金属加热，并将它拉成一条长线。

He heated the metal and drew it out into a long wire.

zhè zhǒng cháng xiàn de hǎi wài liú yáng xíng dòng zài yī dìng chéng dù shang shòu xiàn yú zī jīn rén yuán tiāo xuǎn děng zhū duō wèn tí

这种长线的海外留洋行动，在一定程度上受限于资金、人员挑选、等诸多问题。

This kind of long-term overseas transfer is limited to certain extent by issues such as funding and personnel selection.