boil off
boil off — 片語動詞
- boil offbase form
- boils off3rd person singular
- boiling off-ing form
- boiled offpast simple
1. if a liquid boils off, or you boil it off, it turns into gas and disappears beca
煮乾；蒸發
液體因加熱沸騰而化為氣體散失
if a liquid boils off, or you boil it off, it turns into gas and disappears because it has been heated until it is very hot
Amelia let the sauce simmer until most of the wine had boiled off.
Amelia 把醬汁慢煮，直到大部分的酒都煮乾蒸發了。
intransitive: [liquid] boils off
Mizuki stirred the soup until the extra water boiled off and it grew thick.
Mizuki 不停攪拌湯，直到多餘的水分蒸發掉，湯變得濃稠。
Omar boiled off the alcohol before adding the cream to the pan.
Omar 先把酒精煮到揮發掉，才把鮮奶油加進鍋裡。
The chemistry teacher heated the salty water until all the liquid boiled off.
化學老師把鹽水加熱，直到所有液體都蒸發殆盡。
Christopher forgot the kettle on the stove until every drop of water had boiled off.
Christopher 把水壺忘在爐子上，直到壺裡的水全都煮乾了。
文法句型
boil off
boil off + object
用法筆記
Subject or object is usually a liquid (water, wine, alcohol, moisture). The intransitive use ('the water boiled off') is more common than the transitive ('boil off the alcohol').
常見錯誤
2. to take gum, wax, or other unwanted matter out of silk or another fabric by boil
精練；煮練
以沸煮去除絲或布料上的膠質雜質
to take gum, wax, or other unwanted matter out of silk or another fabric by boiling it in a special liquid
The mill workers boil off the raw silk before they begin dyeing it.
工人在染色前會先把生絲煮練乾淨。
transitive: boil off + [fabric]
Dahlia boiled off the new cloth to wash away the sticky gum and wax.
Dahlia 把新布料煮練一遍，洗掉黏黏的膠質和蠟。
object is fabric being cleaned of gum/wax
Indra showed the students how to boil off silk threads in a hot bath.
Indra 示範給學生看如何在熱浴中把絲線煮練乾淨。
Heloísa warned that dye will not soak in evenly unless you boil off the cloth first.
Heloísa 提醒，除非先把布料煮練過，否則染料無法均勻吃色。
文法句型
boil off + object
用法筆記
Specialist textile term; the object is the fabric (silk, cloth), and the thing removed is gum, wax, or sizing. Distinguish from sense 1, where the liquid itself disappears rather than being cleaned out of cloth.
boil off — 名詞
1. the way a very cold liquid such as liquid oxygen slowly turns into gas and is lo
蒸發損耗
低溫液體緩緩化為氣體而流失的現象
the way a very cold liquid such as liquid oxygen slowly turns into gas and is lost
Engineers measured the boil-off from the rocket's liquid oxygen tank each hour.
工程師每小時量一次火箭液態氧槽的蒸發損耗。
noun: boil-off of a cold liquid turning to gas
Élise found that better cooling cut the daily boil-off in the storage tanks.
Élise 發現更好的冷卻降低了儲存槽每天的蒸發損耗。
Eitan checked how much boil-off the cold fuel lost during the long flight.
Eitan 檢查那批低溫燃料在長途飛行中蒸發流失了多少。
The thick layer around the tank slows the boil-off and keeps the fuel cold.
槽外那層厚厚的材料減緩蒸發損耗，讓燃料保持低溫。
- evaporation
everyday word; not limited to cold liquids
用法筆記
Often written with a hyphen ('boil-off') as a noun. Subject is typically a very cold (cryogenic) liquid such as liquid oxygen or liquid gas, not water.
2. the step in making cloth where gum and other unwanted matter are taken out of fa
精練程序
以沸煮去除布料膠質的織品處理步驟
the step in making cloth where gum and other unwanted matter are taken out of fabric by boiling it in a cleaning liquid
The factory's boil-off leaves the silk soft and ready for bright dyes.
工廠的精練程序讓絲綢變得柔軟，可以上鮮豔的染色。
noun: boil-off as a fabric-cleaning step
Anjali studied how the boil-off removes gum from raw silk thread.
Anjali 研究精練程序如何去除生絲線上的膠質。
Chidi insisted on a careful boil-off before the cloth could take any colour.
Chidi 堅持布料上色前必須先經過仔細的精練程序。
Workers at the old mill timed each boil-off to protect the delicate threads.
那家老工廠的工人為每次精練程序計時，以保護脆弱的絲線。
- scouring
broader cleaning step in textile finishing
用法筆記
Distinguish from noun sense 1: this is a textile-finishing process on fabric, whereas sense 1 is the loss of a cold liquid as gas. The object cleaned is cloth or silk, not a fuel tank.