stem

过去式：

动词过去式: stemmed

更多词形：

动词过去式: stemmed | 动词过去分词: stemmed | 动词现在分词: stemming | 动词第三人称单数: stems |

单词例句：

He bit on the stem of his pipe.

他咬着烟斗柄。

This is the way to stem the flow of the blood.

这才是制止流血的方法。

Replacement of stem nut in-line.

能够在线更换阀杆螺母。

The precursor or stem cell of a plasma cell.

成浆细胞浆细胞的前体细胞或干细胞

The length of the clipper from stem to stern is thirty-six feet.

这艘快船从船头到船尾全长36英尺。

A lateral shoot from the main stem of a plant.

分枝植株的主茎上长出的侧枝

A small protuberance on a stem or branch, sometimes enclosed in protective scales and containing an undeveloped shoot, leaf, or flower.

芽，萌芽茎或枝上小的隆起物，有时被包在保护性的介壳中，内中有未发育的根、叶子或花

The main stem or central part about which organs or plant parts such as branches are arranged.

茎轴象枝条这样的器官或植物的基本构成体被排列于其上的主茎或中心部分

The aromatic, underground stem of the sweet flag, yielding an oil used in perfumery.

菖蒲根甜菖蒲的芳香的地下茎，可产生一种用于香水之中的油