In human reproduction,one female egg is usually fertilized by one sperm.

在人体生殖过程,一个精子使一个卵子受精。

Careful dissection of the eyes usually reveals fibrinopurulent exudate in the anterior chambers.

小心拨开眼睛检查，通常正眼前房可发现脓性白渗出物。

She is not usually good at table tennis; that winning stroke was a fluke.

"她平时乒乓球打得并不好,那取胜一击抽球不过侥幸而已。"

This paper gives a practical research.Usually,fluorescent lamps are drived by monophase alfernating Current.

本文介绍了将荧光灯由常用单相交流供电改为三相交流供电燃点方法。

In the army camp the quilts are usually folded in this manner.

在军营被子通常这样折叠。

Peregrine falcons usually pluck the feathers and strip the flesh off their bird prey.

游隼捕到鸟类猎物时，通常先拔掉它们羽毛，再把肉撕下来。

On big farms cattle are usually branded.

在大农场里, 牲畜身上通常都打上烙印。

The strong usually dominate over the weak.

强者常常支配弱者。

This criticism usually dominates over the newspaper.

这种批评常在报纸上占显著地位。

Angels are usually shown in pictures dressed in white.

图天使通常身穿白衣。

Ovary ovoid, usually 4-locular, with amphitropous ovules.

子房卵球形，通常4室，有曲生胚珠。

Abstract nouns are usually uncountable nouns in English.

英语抽象名词通常不可数名词。

I usually rouse at six in the morning.

我通常在早晨6点钟醒来。

The rupture of a blood vessel usually cause the mark of a bruise.

血管突然破裂往往会造成外伤痕迹。

He is usually well-behaved;this rudeness is only a lapse.

他一向彬彬有礼,这次无礼只一时失态。

I usually feel too shattered to do more than crawl into bed.

我通常疲惫得只有力气爬上床睡觉。

The chairman's proposals are usually passed on the nod at the shareholders' meeting.

在股东大会上, 主席提议通常在无人反对情况下通过。

Similes usually start with “like” or “as”.

明喻通常以like或as开头。

Such shoes usually wholesale for much less.

这种鞋批发出售通常要便宜得多。

In algebra, the sign X usually denotes an unknown quantity.

在代数里, 符号X常用来表示未知数。