Piston
[ 'pɪstən ]
第5级
其它 Other
n. <机>活塞;
📝 例句
A molecule striking an advancing piston recoils with increased speed.
撞在前进中的活塞上的分子，会加速反跳。
A shaft on the piston forms the armature of a coil.
活塞轴作线圈的衔铁。
The connecting rod is attached to the piston by the piston pin.
连杆与活塞的连接是采用活塞销。
The automatic choke includes a thermostatic spring and a vacuum piston.
自动阻风门包括一个恒温控制弹簧和一个真空活塞。
In the roundpiston VV carburetor, the piston is moved by intake-manifold vacuum.
在圆形活塞的VV化油器中，活塞是由进气歧管真空移动的。
🌱 联想助记
【记】※ p-拼音“批”,is-是,ton-吨:这批活塞,重量是一吨
※ pi-拼音“皮”,st-拼音“手套”,on-上面:我把皮手套放在活塞上面
※ pi-拼音“皮”,st-拼音“石头”,on-上面:皮和石头上面放満了石头
✅ 同义词
🔤 词根
📖 牛津释义
piston
n
1 round plate or short cylinder,usu made of metal or wood, that fits closely inside another cylinder or tube and moves up and down or backwards and forwards inside it; used eg in steam or internal combustion engines to cause other parts to move by means of a connecting rod (`piston-rod) 活塞. =>illus 见插图.
2 sliding valve in a trumpet or other brass wind instrument （铜管乐器上的）活门.
🔁 扩展释义
*['pistәn]n. 活塞, 活塞阀键【医】 活塞(如注射器的)
🏥 医学释义
活塞，柱塞
🌿 同词根单词
📖 同为「博士」词汇
查看全部博士词汇 ›🗣️ 情景例句
How can you change your mind at last minute?
你怎么能在最后时刻改变主意呢？
Last August. We had a lovely holiday, one of the best ever.
去年8月。我们度过了一个令人愉快的假日，也是有史以来最愉快的假日之一。
You two seem to know each other.
你们俩似乎认识。