Alder
[ 'ɔ:ldə ]
第4级
其它 Other
n. 桤木;
📝 例句
Modification for synthetic purposes on the Diels - Alder adducts 56 and 62 has only rarely been considered.
为了达到合成的目的,对Diels-Alder加 成物(56)和(62)加以改造的问题很少有人考虑.
📖 牛津释义
alder
n
tree of the birch family, usu growing in marshy places 桤木（桦木科, 通常生长於沼泽地带）.
📖 同为「TOEFL」词汇
查看全部TOEFL词汇 ›🗣️ 情景例句
I know we're getting some attention now,
我认为我们现在固然渐渐引起一些注意，
May I have your name?
能告诉我你的名字吗？
Of course he is. He's very successful. He's made lots of records. They broadcast a programme of his music last month on the radio. Why don't you come on Saturday? I think you'd enjoy it.
当然啦！他很成功。他已经灌制了大量唱片。广播电台上个月播放了他的一个音乐节目。你星期六干吗不去听听呢？我想你会喜欢他的。