stem[stem]

例句参考:

• In the absence of successful efforts tostemthe loss of topsoil, the social effects of erosion will probably first be seen in Africa.

  在控制表土流失的努力缺乏成效的情况下，土壤侵蚀的社会影响将可能首先出现在非洲。

• Operating Principle: The tied-diaphragm valve is a handwheel-operated valve, utilizing a two-piecestemconnected through the diaphragms.

  运转原理:束缚隔膜阀是采用通过横膈膜连接的两个阀杆的手轮型阀门。

• Thestemof the rattan palm,used for making canes and umbrella handles.

  马六甲白藤茎白藤榈的茎，用于制造手杖和伞柄。

• Subsequent growth of some of the axillaries results in first-order branching of the mainstem.

  一些腋芽继续生长形成主茎的第一级分枝。

• When a melon is ripe, it falls off itsstem; When water flows, a channel is formed.

  瓜熟蒂落,水到渠成。

• There are two types ofstemgrowth habit and floral initiation in soybean.

  大豆茎生长习性和花的发生有两种类型。

• The mainstemand fruiting branches of determinant types remain relatively short.

  有限生长类型的主茎和果枝仍然较短。

• A secondary woodystemor limb growing from the trunk or mainstemof a tree or shrub or from another secondary limb.

  分枝从树或灌木的主干或另一次级树枝上生长出来的次级树枝。

• Stemis firm and root deep.

  蒂固根深。

• The brokenstemof a floating duckweed.

  断梗飘萍。

• Tostemthe rising tide against him, he is to swing around the circle in Yorkshire tonight.

  为了挡住日益高涨的反对浪潮,他预定今晚在约克郡选区巡回,发表政见。

• Long pointed leaf orstem(eg of grass or asparagus)growing directly out of the ground.

  长而尖的叶或茎(直接从地面生出的,如草或芦荀)。

• The liner has been refitted fromstemto stern.

  那艘班轮已经全面整修。

• The small boat could notstemthe rushing tide.

  这条小船顶不住汹涌奔腾的潮流。

• During development of the seedling, the hypocotyl forms the lower portion of thestemfrom the radicle up to the cotyledons.

  在幼苗发育期间，下胚轴从胚根到子叶的茎的下部形成。

• Growth retardants are chemicals that limit the elongation ofstems without malformation of leaf,stem, or flower.

  生长延缓剂这种化学药剂只是限制茎的伸长，而不会使叶子，茎或花变畸形。

• The lowerstemis encased in a spring which forces thestemaway from the seat when the valve is opened.

  下阀杆包裹在一个弹簧内部，当阀门开启时，弹簧迫使阀杆离开阀座。

• (formerly)pen made from the hollowstemof quill.

  (旧时)(用羽毛管做的)羽毛笔。

• When you swim up-stream you have tostemthe current.

  你向上游游泳时，必须逆流而行。

• The precursor orstemcell of a plasma cell.

  成浆细胞浆细胞的前体细胞或干细胞。

• Their hatredstemfrom envy.

  他们的仇恨来自妒忌。

• Gone with duck-weed and driven with thestem.

  萍飘梗逐。

• Non-existence of thestemof mustard plant.

  不存芥蒂。

• Tree-fern n.large fern with an upright woodystem.

  桫椤(高大的蕨类植物,茎部挺直)。

• The NIBCO valve figure number and size must also be furnished and specify valvestemcoupling for use with floor stand.

  另外还要提供尼伯科阀门型号和尺寸,并说明所要采用的阀门阀杆与地轴架的连接装置。

• Thestemcells of lymphocytes are in the liver in fetal development and in the bone marrow in postnatal life.

  淋巴细胞的干细胞，在胎生期来自肝脏，出生后则由骨髓产生。

• Bandage a cut tostemthe bleeding.

  用带包扎伤口止血。

• Thestemrises and lowers as the valve is opened and closed.

  当阀门开启或关闭时，阀杆上升或下降。

• When a leaf or astemis sliced, the plant signals pain (or perhaps merely dismay) by releasing the gas ethylene over its entire surface.

  当植物的叶子或根茎被切开时，植物就发出痛苦的信号(或者也许仅仅是不高兴):在整个表面释放出气体乙烯。

• Adequate support must be provided for LongstemExtensions exceeding 12 ft. of ""a"" dimension.

  对于"a"长度超过12英尺的长阀杆加长部件,需要加以适当的支撑。