Never inflict useless pain on dumb animals.
切勿给不会说话的动物施加
谓的痛苦。
的, 
的, 效的的, 没有处的;意义的;意义的;的;效的;的;Never inflict useless pain on dumb animals.
切勿给不会说话的动物施加谓的痛苦。
She judged it a useless attempt to advise him.
她断定, 给
提建议是徒劳的。
It is useless spoiling the ship for a ha'p'orth of tar.
【
】吝惜半便士柏油而毁坏一只船(因小失大)。
Don't expend all your time on such a useless job.
不要把时间消耗在这种
的工作上。
A well devoid of water is useless.
水的井没有途。
He made it a useless attempt to advise her.
认为试图劝她是的。
In view of the facts, it seems useless to continue.
鉴于这些事实, 继续下去似乎是益的。
This is a useless knife — the handle has broken!
这是把没的小刀，刀把坏了。
This is a waste and useless tyre.
这是个废弃的轮胎。
They weeded out useless books from library.
们从图书室里淘汰的书。
Our car was useless for want of petrol.
由于缺少汽油, 我们的汽车派不上
。
He spoke calmly to them trying to pour oil on troubled waters but it was useless.
心平气和地与们讲话, 试图使争吵平息, 但这却是徒劳的。
Whether you are the most useless amateur or a top professional, the yips can get you.
不管你是个业余人士还是专业的人员，YIPS一样能够影响到你。
A car is useless without gasolene.
汽车没有汽油便。
These synthetic progestins will compete with progesterone receptor binding sites and compete with progesterone rendering progesterone useless.
这些合成的黄体素会与黄体素接收器竞争，并使黄体素效。
Heavy weapons are useless in the houses, and the intensity of buildings is no blindage for battles.
且房屋强度严重不足，法作为战斗掩体。
From raw material,ACF was prepared with H2O and CO2 as the activating agent through old and useless organic cellosilk.
以CO2和H2O作为活化剂,利废旧有机纤维来制备活性炭纤维,对制备的活性炭纤维的性能进行研究。
Damn this useless typewriter!
这台破打字机真该死！
He's a useless fellow.
是个没的家伙。
He is useless at maths.
的数学不好。
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