奋斗的小俊俊
swell:主要指人身体上的“膨胀”，肿起，增长之类的。不及物动词 vi. 1.肿起,肿胀[(+up)]His ankles began to swell. 他的脚踝肿起来了。 2.(土地等)隆起;(河水等)上涨3.增长;增大;壮大[(+to/into)]The newly-arrived refugees swelled the ranks of the unemployed. 新来的难民增加了失业的人数。 4.(声音,音乐等)增强5.骄傲自负;夸大6.(情绪等)高涨Anger swelled in him. 他心头升起怒火。 7.(帆等)膨胀,鼓起[(+out)]The sails swelled out in the wind. 船帆在风中鼓起。 及物动词 vt. 1.使(力量等)增长2.使隆起;使上涨The river was swollen with melted snow. 河水因融雪而上涨。 3.使骄傲自大4.使(情绪等)高涨She was swollen with contentment. 她感到十分满足。 5.提高(音调,声音等)6.使膨胀,使鼓起[(+out)]A brisk wind swelled the sails. 一阵疾风使船帆鼓起。 expand：要指动物身体上的变化，也可指物体上的“膨胀“。及物动词 vt. 1.展开,张开(帆,翅等)The eagle expanded its wings. 老鹰展开翅膀。 2.使膨胀;使扩张3.扩大;扩充;发展He is thinking of expanding his business. 他正考虑扩展他的生意。 4.详述They have expanded my view on the question. 他们已更充分地阐明了我对这个问题的观点。 不及物动词 vi. 1.展开,张开2.扩张;发展;增长In ten years the city's population expanded by 12%. 十年之中,该城人口增加了百分之十二。 3.膨胀Water expands when it freezes. 水结冰时体积膨胀。 A tire expands when you pump air into it. 轮胎打了气就会胀大。 4.详细说明[(+on/upon)]5.变得和蔼可亲;感到心旷神怡;变开朗My father expanded a little when he had had a drink, and started to talk more freely. 我父亲小酌之后,就变得开朗可亲些,话也说得多了。 Her face expanded in a smile还有就是swell还可以做名词和形容词，expand只可做动词。手工回答。请采纳。
小蘑菇110
膨胀，当物体受热时，其中的粒子的运动速度就会加快，因此占据了额外的空间，这种现象称为膨胀。比如，温度计的使用就是利用液体膨胀的原理。那么你知道膨胀用英语怎么说吗?下面来学习一下吧。
膨胀的英语说法1：
swell
膨胀的英语说法2：
expand
膨胀的英语说法3：
bulge
膨胀的相关 短语 ：
时间膨胀 time dilation
空前膨胀 unprecedentedly inflated
体积膨胀 volume expansion ; cubical expansion
膨胀水泥 expansive cement ; expanding cement
膨胀粘土 expanded clay ; swelling clay ; bloating clay
膨胀压力 swelling pressure ; inflation pressure
膨胀的英语例句：
1. Engineers noticed that the pipes were not expanding as expected.
工程师注意到管道并没有如预期那样膨胀。
2. The human population swelled, at least temporarily, as migrants moved south.
随着移居者南移，人口出现膨胀，至少是暂时性膨胀。
3. Airbags inflate instantaneously on impact.
安全气囊遇到撞击立即膨胀。
4. Don's lifejacket had failed to inflate.
唐的救生衣未能充气膨胀。
5. Einstein's equations showed the Universe to be expanding.
爱因斯坦的方程式表明宇宙正在膨胀。
6. The business of counterfeiting appears to be expanding.
假冒伪造业似乎正日益膨胀。
7. The batter rises as it bakes.
烘烤的时候，面糊会膨胀起来。
8. the expansion and contraction of the metal
金属的膨胀与收缩
9. Metals expand when they are heated.
金属受热会膨胀。
10. a huge upswell of emotion
膨胀的激情
11. Substances have no tendency to expand unless ( they are ) heated.
除非 受热,物质不会有膨胀的倾向.
12. A rise in the temperature of the gas results in its expansion.
气体温度上升致使气体膨胀.
13. My shirt bags like a balloon when the wind blows against it.
风吹着我的衬衫使它膨胀得象个气球一样.
14. A gas tends to expand indefinitely.
气体具有无限膨胀的趋势.
15. Heat causes the distension of gases.
热使气体膨胀.
