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).
🗣️ 情景例句
If he doesn't, will you buy one?
如果他不,你会买一个吗?
Brevity is the soul of wit.
简洁是智慧的精华。
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