since: conj.因為;既然;自從
例句搭配:
He must have taken the book since it isn't here.
他一定是把書拿走了,因為書已不在這里了。
Since you can't answer the question, perhaps we'd better ask someone else.
既然你無法回答這個問題,我們最好再問問別人。
have a chance to: 有機會做
last: v.持續;維持
例句搭配:
The hot weather lasted until September.
炎熱的天氣持續到九月。
The wind is changing round, so the storm won't last long.
風正在轉向,因此暴風雨不會持續太長的時間。
preserve: v.保護;保存;保持
例句搭配:
It is highly important to preserve the environment.
保護自然環境至關重要。
It's the duty of the police to preserve the public order.
維護公共秩序是警察的職責。
one percent: 百分之一
solution: 溶液
polyvinyl: 乙烯聚合物的 (無臭,無毒,手感似蠟,具有優良的耐低溫性能,化學穩定性好,能耐大多數酸堿的侵蝕。常溫下不溶于一般溶劑,吸水性小,電絕緣性能優良。)
acetal: 乙縮醛 (乙縮醛,危險化學品。主要用作溶劑,以及用于有機合成和化妝品、香料的制造。人體吸入、口服或經皮吸收,對機體可能產生危害。具有刺激性。另外,對于環境亦有一定危害。)
resin: 樹脂,松香
snowflake: 雪花
詞匯搭配:
snowflake transistor雪片形晶體管
snowflake cataract[醫] 雪花狀內障)
process: n.工序;過程
例句搭配:
Building a car is a long process.
制造一輛小汽車有很長的工序。
They went over every process again, but without result.
他們把每道工序又檢查了一遍,卻仍沒有結果。
catch a break: 小憩一會;意外的好運
alert: n.警戒;警報(用來引起別人注意)
例句搭配:
Troops are on the alert against any possible aggression.
軍隊戒備著可能的來犯。
One should not run about aimlessly during an alert.
空襲警報期間不可到處亂跑。
run away: 逃脫;離家
hand in: 提交
resignation: n.辭職;辭呈;順從
例句搭配:
Her resignation caused much public debate.
她辭職一事引起群眾議論紛紛。
His resignation is a measure of how angry he is.
從他辭職一事可見其氣憤的程度。
n. 進攻,侵犯,侵害,侵略