The container is invisible until you shine an ultraviolet light on it.

那个柜子只有用紫外线照射才可以看见。

柯林斯例句

His collar bone only hurt when he lifted his arm.

他的锁骨只有在抬臂时才感觉到痛。

柯林斯例句

He's only convincing when that inner fury manifests itself.

只有在那内心的愤怒充分表露的时候，他才令人信服。

柯林斯例句

Political attacks work only if they find an echo with voters.

政治攻击只有在选民中引起共鸣才会有作用。

柯林斯例句

Life has a value only when it has something valuable as its object.

目标有价值，生活才有价值。(黑格尔)

金山词霸 每日一句

It is spring only when all the flowers are blooming.

万紫千红才是春.

《现代汉英综合大词典》

She expands only when being praised and flattered.

她只有受到表扬和奉承的时候才喜笑颜开.

《现代英汉综合大词典》

Devereux ordered his men to hold their fire until the ships got closer.

德弗罗命令士兵等船靠近了再开火。

柯林斯例句

"Are you jealous?" — "Only when I'm not in control," he says, not missing a beat.

“你眼红吗？”——“除非我把持不住自己，”他毫不犹豫地说道。

柯林斯例句

It takes a pretty bad level of performance before the teachers will criticize the students.

学生只有表现极差时，老师才会批评他们。

柯林斯例句

They reminded me that one can be strong only when united with the collective.

他们使我想到,只有和集体结合才有力量.

《简明英汉词典》

Only when agriculture is fully developed can industry have sufficient materials and markets.

只有农业发展了,工业才有足够的原料和市场.

《现代汉英综合大词典》

Only when a reservoir is built here can we solve our irrigation problem.

除非在这里修个水库,才能解决灌溉问题.

《现代汉英综合大词典》

The territory of a cat only remains fixed for as long as the cat dominates the area.

猫的地盘只在它占据那个地方的时候是固定不变的。

柯林斯例句

Thus, noncontinuous emission limitations were appropriate only when continuous controls were infeasible.

因此, 非持续性排放限制只有在持续性控制技术变得不可行时才是适当的.

英汉非文学 - 环境法 - 环境法