condoms

n. （男用）避孕套，保險(xiǎn)套( condom的名詞復(fù)數(shù) )，（女用）避孕套；

are

vi. （用于第二人稱單復(fù)數(shù)現(xiàn)在時(shí)，第一、三人稱復(fù)數(shù)現(xiàn)在時(shí)）是；n. 公畝（等于100平方米）；

an

art. 一（在元音字母前代替不定代詞a），一任一某一，一個(gè)；

effective

adj. 有效的，起作用的，實(shí)際的，實(shí)在的，給人深刻印象；n. [軍]現(xiàn)役兵額，有生力量，精兵；

method

n. 方法，條理；

of

prep. 關(guān)于，屬于…的，由…制成；aux. 助動(dòng)詞 [非標(biāo)準(zhǔn)用語(yǔ)、方言] =have [主用于虛擬語(yǔ)氣]；

birth

n. 出生，分娩，起源，出身；

control

vt. 控制，管理，限制，支配；n. 支配權(quán)，操縱者，（對(duì)國(guó)家、地區(qū)、機(jī)構(gòu)等的）管理權(quán)，（鍵盤(pán)上的）控制鍵；

if

conj. 如果，倘若，即使，〈口〉是否，假設(shè)；n. 條件，設(shè)想；

used

adj. 用過(guò)的，習(xí)慣于，二手的，舊的；v. 使用（ use的過(guò)去式和過(guò)去分詞），常常，經(jīng)常；

with

prep. 和，跟，隨著，關(guān)于，和…一致；

care

v. 關(guān)心，擔(dān)心，照顧，喜愛(ài)；n. 照顧，小心，憂慮；

...the spiralling vortex airflow that slows the plane.
使飛機(jī)減速的螺旋形氣流渦旋

You just go on ahead. I'll come by later...
你只管先往前走。我隨后就來(lái)。

He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打兒子的,是恨惡他;疼愛(ài)兒子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
詳情請(qǐng)致電414 3925,轉(zhuǎn)分機(jī)2253。

He sat there while I made the case for his dismissal...
他坐在那兒，聽(tīng)我陳述解雇他的理由。

Baroness Thatcher's claims seem credible to many.
撒切爾女男爵的主張?jiān)诤芏嗳丝磥?lái)是可信的。

Nothing to be got without pains but poverty.
一份耕耘，一份收獲。

This decree obliges unions to delay strikes.
該法令迫使工會(huì)推遲罷工。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索權(quán)當(dāng)有支付義務(wù)的第一方不能支付時(shí)，可以向商業(yè)票據(jù)的背書(shū)人要求支付的權(quán)力。

The impact of modern technology on the biosphere is evident worldwide.
現(xiàn)代技術(shù)對(duì)生物圈的影響在全世界是明顯的.

Sodium polyacrylate mimicked the role of organic matrix in modulating crystal growth in biomineralization.
聚丙烯酸鈉模仿了生物礦化中有機(jī)基質(zhì)對(duì)無(wú)機(jī)晶體生長(zhǎng)的調(diào)制作用.

Microbial reactions play key roles in biocatalysis and biodegradation.
在生物催化和生物降解中微生物反應(yīng)起了關(guān)鍵的作用.

We found that birch bark could serve as paper.
我們發(fā)現(xiàn)樺樹(shù)皮可以作紙用.

Conclusion: Biomembrane of berberine compound may be an effective direct pulp capping materia.
結(jié)論: 黃連素復(fù)合生物膜對(duì)小型豬牙有良好的直接蓋髓作用.

BIOS Information: This option uses the system's BIOS information.
BIOS信息: 這個(gè)選項(xiàng)使用系統(tǒng)的BIOS信息.

A bipara is a woman who has given birth to two children.
二產(chǎn)婦是生過(guò)兩個(gè)孩子的婦女.

Flags of Our Fathers is not only a collection of 23 biographies.
硫磺島的英雄們》不只是一大批的傳記,它還探索一些主題:何謂英雄氣概?

He arrives in his biplane and crash lands it in a tree.
他駕駛雙翼飛機(jī)到達(dá)，在一棵樹(shù)上緊急降落。

The village paper published biographical sketches of the two boys.
村里的報(bào)紙還發(fā)表了這兩個(gè)孩子的小傳.

The village paper published biographical sketches of the boys.
村里的報(bào)紙還刊登了兩個(gè)小孩的小傳.

Some basic problems and biogenesis on natural products research were analysed.
分析了天然產(chǎn)物研究中的基本問(wèn)題和生源研究.

Energy measurements of biologic material require determination of the thermochemical caloric content.
生物物質(zhì)能量的測(cè)定,要求測(cè)定熱化學(xué)的卡數(shù).

免费a级黄色片_中文字幕在线视频日韩_欧美大片顶级少妇_国产精品久久久久久人_亚洲综合不卡_日本不卡二区_精品国产一级毛片_亚洲视频精品一区_国产私拍福利精品视频二区_久久精品人人做人人爽

Condoms are an effective method of birth control if used with care.是什么意思？

Condoms are an effective method of birth control if used with care.

如果使用得當(dāng)，避孕套是很有效的避孕手段。