您要查找的是不是：
- Wood is a poor conductor of sound. 木头是声音的不良导体。
- Wood is a poor conductor of heat and electricity. 木头是热和电的不良导体。
- Wood is a poor conductor of heat. 木头是热的不良导体。
- Wood is a very poor conductor of heat. 木头的导热性很差。
- Wood is a poor conductor of heat and electricity but a metal conducts, well in both cases. 木材不容易传热也不容易导电，而金属却易于传热导电。
- Wood is a poor conductor. 木头是不良导体.
- The wood is a poor conductor. 木头是不良导。
- His latest effort is a poor excuse for a novel. 他最近的作品只是一部劣质的小说。
- Fiction is a poor surrogate for real experience. 小说中的事远逊于实际体验。
- An actor who mouths his speeches is a poor actor. 念台词装腔作势的演员是拙劣的演员。
- The umbrella is a poor shelter from heavy rain. 雨伞不太遮挡得住大雨。
- A thin jacket is a poor protection against cold. 一件单薄的夹克衫不足以御寒。
- This type of vinyl is a poor substitute for leather. 这种乙烯基材料代替皮革十分勉强。
- Lincoln is a conspicuous example of a poor boy who succeeded. 林肯是一个穷苦孩子而功成名就的出色例子。
- He is a penny pinch because he grew up in a poor family. 他在穷人家长大，所以非常节省。
- The driver is a poor observer of speed restrictions. 这个司机是个不遵守速度限制的人。
- Wood is poor conductor of heat. 木头的导热性很差。
- An actor who mouths his words is a poor actor. 说话时装腔作势的演员不是好演员。
- The wood is held in position by a clamp. 木头用钳夹固定住了。
- This is a poor piece of work you've turned in. 你交来的作品质量差。
