Disc valve
[化] 盤形閥
?? 詞語組成解析
disc
[disk]
n. 圓盤;唱片;磁盤;
valve
[v?lv]
n. 閥;真空管;（管樂器的）活栓;（心臟的）瓣膜;
vt. 裝閥于;以活門調節;
??? 情景例句
I work part time in the summer to pay for my tuition.
我夏天做兼職來支付學費。
There's a possibility we'll go,but it all depends on the weather.
我們去的可能性都取決于天氣。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.
她稱這些傭人叫“流動人口”，因為他們來匆匆，所以我甚至都沒有機會知道他們的姓名。