🧩 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
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
Who called a while ago?
刚才谁在打电话？
Sorry! I think we had them for lunch. We must get some more tomorrow.
对不起！我想我们中午吃掉了。我们明天得再买一些。