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
No, thank you. Thanks for all your help.
不必了，谢谢。谢谢你帮了我大忙。
Mmm, it doesn't seem to fit very well.
嗯，这套看来不大合身。
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。