prestressed

/ˌpresˈt rest/ /priˈstrest/

Meanings

adjective

预应力的，预加应力的

Having been stressed before use

Examples :

"The prestressed concrete beam was able to support a much heavier load than a regular concrete beam because it had been strengthened beforehand. "

这根预应力混凝土梁比普通混凝土梁能承受更大的载荷，因为它事先经过了加强处理。

technical material

Related Words

heavier adjective

/ˈhɛvɪə/ /ˈhɛviɚ/

更重的，沉重的。

""This box is heavier than that one, so I need help lifting it." "

这个箱子比那个箱子更重，所以我需要帮忙才能抬起来。

beam noun

/biːm/

梁，桁梁。

"The carpenter used a strong wooden beam to support the porch roof. "

木匠用一根坚固的木梁来支撑门廊的屋顶。

because adverb

/bɪˈkɒz/ /biˈkɔz/

因为，由于。

"I went to the park because the weather was nice. "

因为天气很好，所以我去了公园。

been noun

/biːn/ /bɛn/

蜜蜂

"The bee population in our local park is declining, impacting the pollination of the flowers. "

我们当地公园的蜜蜂数量正在减少，这影响了花朵的授粉。

having verb

/ˈhævɪŋ/

拥有，具有。

"I have a house and a car."

我拥有一栋房子和一辆汽车。

concrete noun

/kɵnˈkɹiːt/ /ˈkɑnkɹiːt/

混凝土，水泥。

"The bird's nest was a concrete example of how strong and carefully constructed things can be. "

鸟窝就是一个具体的例子，展现了事物可以多么坚固和精心地建造出来。

beforehand adjective

/bɪˈfɔːhænd/ /bɪˈfɔɹhænd/

富裕，宽裕

"Example Sentence: "Having invested wisely over the years, my grandmother is quite beforehand and enjoys a comfortable retirement." "

奶奶多年来投资有方，现在经济相当宽裕，安享舒适的退休生活。

support noun

/səˈpɔːt/ /səˈpɔɹt/

支持，支撐，扶持。

"The bridge's sturdy support beams prevented the structure from collapsing. "

桥梁坚固的支撑梁防止了结构倒塌。

stressed verb

/stɹɛst/

受力，加压。

"The weightlifter stressed the barbell, trying to lift it higher. "

举重运动员正在给杠铃加压，试图把它举得更高。

regular noun

/ˈɹɛɡjʊlə/ /ˈɹɛɡjəlɚ/

正规军，正规部队.

"The sergeant major is a regular in the British Army. "

这位军士长是英国陆军的正规军。

strengthened verb

/ˈstɹɛŋθənd/

加强，巩固

"strengthen a muscle"

加强肌肉力量

before adverb

/bɪˈfɔː/ /biˈfɔɹ/

以前，事先

"Before dinner, I finished my homework. "

晚饭前，我做完了作业。