Washer for air piston
[化] 空氣活塞墊圈
?? 詞語組成解析
washer
[['w???]]
n. 洗衣人, 墊圈, 洗衣機\\n[化] 洗滌器; 墊圈
for
[f?]
prep. 為，為了;傾向于;關于;當作;
conj. 因為，由于;
air
[??]
n. 天空;氣氛;空運;（簡單易記的）曲調;
vt.& vi. 晾曬;烘干;播送;廣播;
vt. 使房間通風， 透氣;
piston
['p?st?n]
n. <機>活塞;
??? 情景例句
He was left in charge of the shop while the manager was away.
經理不在時他負責這個商店。
You'll hurt your arm, if you don't take care.
你不專心的話，就會傷到你的手指。
They all went up some narrow steps into a large room.
他們全都登上這些狹窄的臺階，接著進入一個大房間。