🧩 词语组成解析
stem
[stɛm]
n. （花草的）茎;词干;（高脚酒杯的）脚;烟斗柄;
vt. 遏制[阻止]（液体的流动等）;阻止;封堵;遏止;
canker
['kæŋkɚ]
n. （植物的）溃疡;（动物）耳溃疡;腐败的影响;腐蚀因素;
vt. 使溃疡;
vi. 受到腐蚀，生黑腐病，溃烂;
🗣️ 情景例句
Yes?
是吗？
Come and see me when you have time.
有空时请过来。
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.
是的，我看见了。他们怎么能这样排放废水呢？海水的颜色多么可怕呀！看来我们班同学根本不能在这里游泳。