The plant's stem is marked with thin green longitudinal stripes.

这种植物的茎上长有绿色细长条纹。

《牛津词典》

Cut out a few leaf shapes from green felt and hot glue a small length of the stem wire to the back of each.

绿色毛毡布切割出叶子的形状，背面粘上一小段铁丝。

youdao

They found the green stem which held the leaf on which Thumbelina sat.

它们找到了托着那片绿叶的梗子拇指姑娘就坐在那上面。

youdao

We should help foreign graduates and foreign professionals, particularly in science, technology, engineering and mathematics, through an increased number of available H-1B work visas and a STEM green card program.

CNN: Give more visas to foreign-born workers

The SMART Act, introduced by Lamar Alexander (R-TN) and Chris Coons (D-DE), is better because it would create a new temporary visa for STEM graduates without eliminating any other green card categories.

FORBES: Positive New Steps To Reform High-Skilled Immigration

The bipartisan plan unveiled Monday proposes, among other things, an expansion of the H-1B visa program and granting green cards to anyone with an advanced STEM degree from an American university.

FORBES: How To Improve Immigrant Visas