toxic

英['tɔksik]美['tɔksik]

a.
1.中毒的，由毒性引起的
2.（有）毒的；毒性的；有害的
3.【美】极其使人不快的；造成危害的
n.[C]
毒药，毒物

副　词：tox'ically

反：	[a.] atoxic, nontoxic

The respiratory and other subcortical centers likewise show stimulation after low doses and depression with higher or toxic doses
呼吸中枢和其他皮层中枢同样表现为小量时兴奋，大量或中毒量抑制。收藏
Accumulation of toxic substances in the biosphere is causing serious changes in the structure and function of natural ecosystems
生物圈内有毒物质的积累，造成了天然生态系统的结构与功能的严重变化。收藏
Overtime it can also break down into the soil without giving out any toxic chemicals.
而且，它还可以降解，不会产生有毒的化学物质。收藏
Partial thyroidectomy for toxic goiter was practiced widely
用甲状腺部分切除治疗急性甲状腺肿一直被广泛采用。收藏
What would be the consequence to an organism if arsenate were substituted for phosphate? Arsenate is very toxic to most organisms. Explain why.
如果砷酸盐取代了磷酸盐会对有机体产生什么后果？砷酸盐对大多数有机体是非常有毒的，解释收藏

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of or relating to or caused by a toxin or poison
- suffering from exposure to toxic substances
[反] atoxic, nontoxic

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